cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A107236 Expansion of 1 / Product_{n>=0} (1 - q^(5n+1))*(1 - q^(5n+3))*(1 - q^(5n+4)).

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%I A107236 #12 Jan 07 2021 09:53:08
%S A107236 1,1,1,2,3,3,5,6,8,11,13,16,22,26,32,40,49,59,73,87,105,126,151,178,
%T A107236 214,252,297,351,413,481,566,658,767,892,1034,1195,1386,1595,1838,
%U A107236 2114,2429,2781,3189,3642,4160,4744,5404,6141,6986,7921,8980
%N A107236 Expansion of 1 / Product_{n>=0} (1 - q^(5n+1))*(1 - q^(5n+3))*(1 - q^(5n+4)).
%H A107236 Vaclav Kotesovec, <a href="/A107236/b107236.txt">Table of n, a(n) for n = 0..10000</a>
%F A107236 a(n) ~ Pi^(3/5) * exp(Pi*sqrt(2*n/5)) / (Gamma(2/5) * 2^(4/5) * 5^(7/10) * n^(4/5)). - _Vaclav Kotesovec_, Jan 07 2021
%t A107236 nmax = 50; CoefficientList[Series[1/Product[(1 - x^(5*k+1))*(1 - x^(5*k+3))*(1 - x^(5*k+4)), {k, 0, nmax/5}], {x, 0, nmax}], x] (* _Vaclav Kotesovec_, Jan 07 2021 *)
%Y A107236 Cf. A035959, A107234, A107235, A107237.
%K A107236 nonn
%O A107236 0,4
%A A107236 _Ralf Stephan_, May 13 2005