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 A369358 #15 Jan 22 2024 05:55:42
%S A369358 1,1,1,1,1,1,1,1,1,3,3,15,25,59,109,227,525,1321,2917,7085,15893,
%T A369358 38759,90179,223933,534867,1339691,3246961,8296441,20426971,52715563,
%U A369358 131480623,342491253,864759837,2270860455,5793103989,15316065497,39429185075,105008858223
%N A369358 a(n) is the constant term in expansion of Product_{k=1..n} (x^(k^4) + 1 + 1/x^(k^4)).
%t A369358 Table[Coefficient[Product[x^(k^4) + 1 + 1/x^(k^4), {k, 1, n}], x, 0], {n, 0, 25}]
%Y A369358 Cf. A000583, A007576, A158465, A350249.
%K A369358 nonn
%O A369358 0,10
%A A369358 _Ilya Gutkovskiy_, Jan 21 2024
%E A369358 a(26)-a(37) from _Alois P. Heinz_, Jan 21 2024