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 A329462 #4 Nov 15 2019 21:35:39
%S A329462 1,1,1,2,2,1,1,2,2,3,1,2,2,2,2,3,2,2,1,5,2,1,1,2,4,4,2,3,3,5,1,3,1,3,
%T A329462 3,4,2,2,3,6,3,4,1,2,5,3,1,3,3,8,3,6,3,4,3,4,2,4,2,7,3,4,4,4,7,4,1,5,
%U A329462 3,7,2,4,2,6,7,3,3,9,3,8,5,5,2,7,6,4,5,3,4,14
%N A329462 Expansion of Sum_{k>=1} (-1 + Product_{j>=1} (1 + x^(k*j^2))).
%C A329462 Inverse Moebius transform of A033461.
%F A329462 G.f.: Sum_{k>=1} A033461(k) * x^k / (1 - x^k).
%F A329462 a(n) = Sum_{d|n} A033461(d).
%t A329462 nmax = 90; CoefficientList[Series[Sum[-1 + Product[(1 + x^(k j^2)), {j, 1, Floor[nmax^(1/2)] + 1}], {k, 1, nmax}], {x, 0, nmax}], x] // Rest
%Y A329462 Cf. A033461, A047966, A047968, A329439.
%K A329462 nonn
%O A329462 1,4
%A A329462 _Ilya Gutkovskiy_, Nov 13 2019