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 A321447 #7 Nov 10 2018 10:16:17
%S A321447 1,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,0,0,0,0,0,0,-1,0,0,0,0,-1,0,0,-1,-1,0,
%T A321447 0,0,0,0,0,0,-1,0,1,-1,-1,1,1,-1,-1,1,0,0,0,1,1,-1,-1,2,2,0,0,2,1,-1,
%U A321447 -1,2,2,-1,0,4,3,-3,0,4,2,0,0,3,3,-2,-2,4,4,-3,0,7
%N A321447 Expansion of Product_{0 < i < j < k} (1 - x^(i^2 + j^2 + k^2)).
%F A321447 G.f.: Product_{k>0} (1 - x^k)^A025442(k).
%Y A321447 Cf. A025442, A320332, A321448.
%K A321447 sign
%O A321447 0,56
%A A321447 _Seiichi Manyama_, Nov 09 2018