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 A352529 #14 Jun 20 2023 07:43:32
%S A352529 1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,0,1,-2,3,-4,5,-6,7,-8,9,-10,
%T A352529 11,-12,13,-14,15,-15,14,-12,9,-5,0,6,-13,21,-30,40,-51,63,-76,90,
%U A352529 -105,120,-134,146,-155,160,-160,154,-141,120,-90,50,1,-64,140,-230,335,-455,589,-735,890,-1050,1210,-1364,1505
%N A352529 Expansion of 1/Sum_{k>=0} x^(k^4).
%H A352529 Seiichi Manyama, <a href="/A352529/b352529.txt">Table of n, a(n) for n = 0..10000</a>
%o A352529 (PARI) my(N=99, x='x+O('x^N)); Vec(1/sum(k=0, N^(1/4), x^k^4))
%o A352529 (PARI) a(n) = if(n==0, 1, -sum(k=1, n, ispower(k, 4)*a(n-k)));
%Y A352529 Cf. A000583, A317665, A323633, A352530.
%K A352529 sign
%O A352529 0,19
%A A352529 _Seiichi Manyama_, Mar 19 2022