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 A292387 #4 Sep 15 2017 11:43:46
%S A292387 1,-1,-4,-6,-4,19,60,131,149,-4,-572,-1764,-3485,-4716,-2658,7606,
%T A292387 32944,77152,132586,161275,75150,-281687,-1111029,-2560293,-4470415,
%U A292387 -5922117,-4603551,3799070,25573251,67259095,130430051,201158707,232853019,124749892,-295134275,-1260897993,-2995361708,-5515840117
%N A292387 Expansion of Product_{k>=1} (1 - x^k)^(k*(k+1)*(k+2)/6).
%C A292387 Convolution inverse of A000335 (Euler transform of the tetrahedral numbers).
%F A292387 G.f.: Product_{k>=1} (1 - x^k)^(k*(k+1)*(k+2)/6).
%t A292387 nmax = 37; CoefficientList[Series[Product[(1 - x^k)^(k (k + 1) (k + 2)/6), {k, 1, nmax}], {x, 0, nmax}], x]
%Y A292387 Cf. A000335, A258343, A292386.
%K A292387 sign
%O A292387 0,3
%A A292387 _Ilya Gutkovskiy_, Sep 15 2017