Google+ Buzz
Hervé Coatanhay | Jan 03, 2013 - 23:15
Everything there is to know about 2013. oeis.org/search?q=2013&language=english&go=Search
Peter Luschny | Jan 03, 2013 - 19:24
Omar E. Pol, Toothpick sequence, 2008, oeis.org/A139250 "Omar E. Pol (in Buenos Aires) has contributed
ben tuttle | Sep 07, 2012 - 14:31
Oliver Thewalt | Mar 07, 2012 - 02:32
Cédric Bonhomme | Dec 28, 2011 - 14:31
How to feel stupid. I've just implemented a non-pure steganography algorithm based on the least significant...
Drew Armstrong | Jul 29, 2011 - 00:18
Online Encyclopedia of Integer Sequences (oeis.org) currently redirects to Google. Strange.
Orbin Güílamo | Nov 03, 2012 - 01:47
NYC Marathon has been cancelled. But, if you have the means, you can run the Seoul Marathon this Sunday...
Konstantin Oleksishin | Nov 02, 2012 - 08:12
From experience I found that philosophers of science are waaay more open to the ID then the scientists...
Cullen Ali Carey | Oct 31, 2012 - 06:32
Cullen’s Corner Question of the Day, “Is it possible to celebrate Halloween without compromising your...
Comicbook.com | Aug 13, 2012 - 17:08
It's a good thing she cleared that up. The religious right would have had a field day with that w...
Facebook Buzz
Jonathan Vos Post | Jan 23, 2013 - 13:54
Published this morning, the most recent of my 3,205 contributions to The On-Line Encyclopedia of Integer Sequences: "Number of n X n checkered tori, allowing rotation and/or reflection of the rows and/or the columns." oeis.org/A209251
Jonathan Vos Post | Jan 23, 2013 - 02:22
The second published today of my 3,205 contributions to The On-Line Encyclopedia of Integer Sequences consists of a comment and hotlink for "n*(n+1)*(4*n+5)/6." oeis.org/A016061
Jonathan Vos Post | Jan 23, 2013 - 00:07
The most recent of my 3,205 contributions to The On-Line Encyclopedia of Integer Sequences was published today [a comment and hotlink for an existing sequence]: "2^n - (2*n+1)" oeis.org/A070313
Stephen Soderberg | Jan 20, 2013 - 15:52
'Per Nørgård's "infinity sequence", invented in an attempt to unify in a perfect way repetition and variation' oeis.org/A004718
Robert Walker | Jan 20, 2013 - 13:46
en.wikipedia.org/wiki/Per_N%C3%B8rg%C3%A5rd#Music This is his sequence on the on-line encyclopedia of integer sequences oeis.org/A004718 His explanation of how it is constructed: www.pernoergaard.dk/eng/strukturer/uendelig/ukonstruktion01.html
Jonathan Vos Post | Jan 18, 2013 - 02:17
The most recent of my 3204 contributions to The On-Line Encyclopedia of Integer Sequences was published today. Note the programs written by two different editors: "Non-semiprimes n such that 2n+1 are non-semiprimes." oeis.org/A209292
Clayton Ryan Otey | Jan 18, 2013 - 01:07
BilkentMath102 | Jan 17, 2013 - 13:21
Jonathan Vos Post | Jan 16, 2013 - 00:58
This one of mine was just published this afternoon: " Main diagonal of array T(k,n) = n-th number in which the number of distinct base 10 digits is k." oeis.org/A220111
Jonathan Vos Post | Jan 15, 2013 - 20:05
This morning several more of my 3,203 contributions to The On-Line Encyclopedia of Integer Sequences were published. Here is: "1 + 2*n^2 + 3*n^3 + 4*n^4 + 5*n^5 + 6*n^6 + 7*n^7 + 8*n^8 + 9*n^9." oeis.org/A209275
Jonathan Vos Post | Jan 15, 2013 - 20:03
This morning several more of my 3,203 contributions to The On-Line Encyclopedia of Integer Sequences were published. Here is: "1 + 2*n^2 + 3*n^3 + 4*n^4 + 5*n^5 + 6*n^6 + 7*n^7 + 8*n^8." oeis.org/A209267
Jonathan Vos Post | Jan 15, 2013 - 20:01
This morning several more of my 3,203 contributions to The On-Line Encyclopedia of Integer Sequences were published. Here is: " 1 + 2*n^2 + 3*n^3 + 4*n^4 +5*n^5 + 6*n^6." oeis.org/A209264
Jonathan Vos Post | Jan 15, 2013 - 19:59
This morning several more of my 3,203 contributions to The On-Line Encyclopedia of Integer Sequences were published. Here is: "1 + 2*n^2 + 3*n^3 + 4*n^4 +5*n^5." oeis.org/A209263
Jonathan Vos Post | Jan 15, 2013 - 19:57
This morning several more of my 3,203 contributions to The On-Line Encyclopedia of Integer Sequences were published. Here is: "1 + 2*n^2 + 3*n^3 + 4*n^4." oeis.org/A209262
Jonathan Vos Post | Jan 15, 2013 - 19:55
This morning several more of my 3,203 contributions to The On-Line Encyclopedia of Integer Sequences were published. Here is: "n^13 + 13*n + 13^n." I'll do no more of those... oeis.org/A209261
Jonathan Vos Post | Jan 15, 2013 - 19:52
This morning several more of my 3,203 contributions to The On-Line Encyclopedia of Integer Sequences were published. Here is: " Decimal digits of constant arising in slices, slabs, and sections of the unit hypercube." oeis.org/A209244
Anna Eugenia Yanchenko | Jan 15, 2013 - 16:28
oeis.org/play?seq=A005132
Ed Trice | Jan 15, 2013 - 06:26
You are not a true math geek until you have a mathematical sequence named after you. oeis.org/A209250
Jonathan Vos Post | Jan 14, 2013 - 15:23
Most recent of my 3,195 contributions to The On-Line Encyclopedia of Integer Sequences, published this morning, is the comment in: "Number of n X n checkered tori." oeis.org/A179043
Unnützes Wissen | Nov 29, 2012 - 18:15
Der 19. November 1999 war das letzte Datum vor dem 1. Januar 3111 an dem alle Ziffern ungerade sind. (Einsendung)
Jonathan Vos Post | Oct 09, 2012 - 19:09
A217610 - OEIS oeis.org This is toA217387as perfect 4th powers (A000583) are to perfect cubes (A000578), and asA217386is to perfect squares (A000290). Subset ofA217386, since every perfect 4th power is a perfect square (though not vice versa). In t
Aravind Kumar | Oct 07, 2012 - 12:52
If international 50 over matches are called One Day Internationals (ODIs), don't the international T20 matches should be called One Evening Internationals (OEIs)? Just Wondering.
Chidiebere Jude Ike | Oct 07, 2012 - 02:55
666 (six hundred and sixty-six) is the natural number following 665 and preceding 667. In mathematics 666 is the sum of the first 36 natural numbers (i.e. ), and thus a triangular number. Since 36 is both square and triangular, 666 is the sixth numbe ...
Jonathan Vos Post | Oct 05, 2012 - 17:34
A216912 - OEIS oeis.org Sequence given for a(1)-a(15) in Note 6.2, p.13 of Dixit and others. Let alpha(n) = denominator(B°(n)). The data suggests that the prime factors of alpha(2n) are bounded by 2n + 1. The sequence alpha(n) is periodic, with min
Sandra Radyn | Oct 05, 2012 - 14:15
my kind het die mooiste oe,is sy nie te pragtig nie. kan nie wag om haar op te tel vandag nie,het haar so gemis,lief jou mamma se engeltjie
Ina Steyn | May 21, 2012 - 08:20
Wall Photos ♥ Moenie toelaat dat die wêreld jou hard maak nie dat mense jou teleurstel en jou vertroue skend nie; dat pyn en seerkry jou sinies en bitter maak nie; dat iemand jou geluk en glimlag steel nie; dat die liefde binne jou kwyn nie ... Bly ...
Emz New | Jan 23, 2013 - 13:14
Ha joder tíos que toda la noche nos la éis pasado respaldando mi HD principal y no oeis acabado -_- estad sin podéis dormir por su culpa u.u
Raden Mas Riose | Jan 22, 2013 - 16:18
Seng Oeis eO oEis Zeng hUrung ayO ndanG di LakoNi . . .
Pi greco Day Giorno del Pi Greco Día de Pi griego | Jan 22, 2013 - 12:45
Pi greco Simbolo Valore Frazione continua [3; 7, 15, 1, 292, 1, 1, 1, 2, 1, 3, ...] (sequenza A001203 dell'OEIS) Insieme numeri trascendenti Costanti correlate Costante di Gelfond, Costanti zeta
BETA We evaluate the latest social media signals (about oeis.org)
from Twitter, Facebook and Google+ to get an idea about the public opinion.
Social Talk
Google+: 138
Twitter: 390
Facebook: 623
Visibility Stats
Google+ Buzz
Facebook Buzz
Twitter Buzz
Social Cloud of www.oeis.org