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 A321424 #12 Nov 09 2018 22:03:30
%S A321424 1,1,1,2,2,3,4,4,5,8,9,11,14,16,21,25,28,35,43,50,60,70,82,98,113,131,
%T A321424 155,182,210,244,283,326,377,432,495,571,657,747,856,979,1112,1269,
%U A321424 1439,1632,1859,2105,2377,2694,3040,3426,3867,4349,4894,5509,6184,6939,7788
%N A321424 Expansion of 1/2 * Product_{0 <= i <= j <= k} (1 + x^(i^2 + j^2 + k^2)).
%H A321424 Seiichi Manyama, <a href="/A321424/b321424.txt">Table of n, a(n) for n = 0..10000</a>
%F A321424 G.f.: Product_{k>0} (1 + x^k)^A000164(k).
%Y A321424 Cf. A000164, A321381, A321423.
%K A321424 nonn
%O A321424 0,4
%A A321424 _Seiichi Manyama_, Nov 09 2018