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 A369434 #5 Jan 23 2024 08:40:58
%S A369434 1,1,1,1,1,2,5,13,31,75,155,344,808,2019,5136,13422,34720,91055,
%T A369434 238447,630753,1678780,4502862,12135507,32873145,89324119,243745113,
%U A369434 667153916,1832553339,5048767393,13950607375,38649239592,107345311219,298820158401,833680894927
%N A369434 a(n) = [x^(n^2)] Product_{k=1..n} (x^(k^2) + 1 + 1/x^(k^2)).
%t A369434 Table[Coefficient[Product[(x^(k^2) + 1 + 1/x^(k^2)), {k, 1, n}], x, n^2], {n, 0, 33}]
%Y A369434 Cf. A000290, A316706, A350249, A368243.
%K A369434 nonn
%O A369434 0,6
%A A369434 _Ilya Gutkovskiy_, Jan 23 2024