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.
%I A022739 #16 Jul 08 2025 09:17:45
%S A022739 1,15,150,1175,7875,46953,255745,1293825,6154530,27772930,119720802,
%T A022739 495673410,1979777985,7656005115,28752006375,105129718102,
%U A022739 375082371420,1308260532180,4468338006465
%N A022739 Expansion of Product (1-m*q^m)^-15; m=1..infinity.
%H A022739 Robert Israel, <a href="/A022739/b022739.txt">Table of n, a(n) for n = 0..3000</a>
%p A022739 N:= 30: # for a(0)..a(N)
%p A022739 P:= mul(1-m*q^m,m=1..N):
%p A022739 S:= series(P,q,N+1):
%p A022739 S15:= series(S^(-15),q,N+1):
%p A022739 seq(coeff(S15,q,i),i=0..N); # _Robert Israel_, Dec 22 2019
%t A022739 nmax = 20; CoefficientList[Series[Product[1/(1 - k*x^k)^15, {k, 1, nmax}], {x, 0, nmax}], x] (* _Vaclav Kotesovec_, Dec 23 2019 *)
%Y A022739 Cf. A006906, A022610, A022643, A023013.
%Y A022739 Column k=15 of A297328.
%K A022739 nonn
%O A022739 0,2
%A A022739 _N. J. A. Sloane_