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.

A082557 G.f.: Product_{m>=1} 1/(1-x^m)^32.

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%I A082557 #11 Sep 04 2020 12:40:11
%S A082557 1,32,560,7040,70840,604352,4528832,30529280,188313180,1076484640,
%T A082557 5759310304,29064224896,139226153920,636391492800,2787844780160,
%U A082557 11748015743232,47774241056710,187997792512640,717605948122000,2662641484567680,9621587501598688,33916687860860288
%N A082557 G.f.: Product_{m>=1} 1/(1-x^m)^32.
%H A082557 Alois P. Heinz, <a href="/A082557/b082557.txt">Table of n, a(n) for n = 0..1000</a>
%H A082557 <a href="/index/Pro#1mxtok">Index entries for expansions of Product_{k >= 1} (1-x^k)^m</a>
%p A082557 a:= proc(n) option remember; `if`(n=0, 1, add(
%p A082557       numtheory[sigma](j)*a(n-j), j=1..n)*32/n)
%p A082557     end:
%p A082557 seq(a(n), n=0..25);  # _Alois P. Heinz_, Mar 12 2015
%t A082557 With[{nn=30},CoefficientList[Series[Product[1/(1-x^m)^32,{m,nn}],{x,0,nn}],x]] (* _Harvey P. Dale_, Sep 04 2020 *)
%Y A082557 Cf. 32nd column of A144064.
%K A082557 nonn
%O A082557 0,2
%A A082557 _N. J. A. Sloane_, May 04 2003