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 A321361 #15 Nov 08 2018 07:47:38 %S A321361 1,-1,-1,0,-1,2,0,2,-1,0,3,-1,-2,-1,1,-6,0,-1,-1,0,6,1,1,0,4,0,0,10, %T A321361 -2,-1,-9,7,-11,13,-15,-7,-3,-9,0,6,-3,-9,14,-9,20,-17,20,-2,20,1,25, %U A321361 -9,14,13,-3,-7,-21,-9,-11,6,-54,39,-22,-30,-10,35,-21,8,-41,-23 %N A321361 Expansion of Product_{1 <= i <= j <= k} (1 - x^(i*j*k)). %H A321361 Seiichi Manyama, <a href="/A321361/b321361.txt">Table of n, a(n) for n = 0..10000</a> %F A321361 G.f.: Product_{k>0} (1 - x^k)^A034836(k). %Y A321361 Convolution inverse of A321360. %Y A321361 Cf. A034836, A319359, A321299, A321359. %K A321361 sign %O A321361 0,6 %A A321361 _Seiichi Manyama_, Nov 07 2018