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 A327694 #18 Sep 23 2019 13:34:06
%S A327694 1,0,-1,-1,-1,1,-1,0,0,1,4,2,-1,-2,1,2,0,-5,-2,0,5,-1,-6,-7,-3,6,-1,
%T A327694 -2,-6,7,18,7,-8,-6,1,12,4,-10,-7,6,27,10,-21,-25,-1,19,-4,-29,-26,11,
%U A327694 39,6,-27,-42,-3,40,12,-45,-32,28,90,24,-55,-57,9,75,14,-57,-59,57,139
%N A327694 Expansion of Product_{k>=1} B(x^k), where B(x) is the g.f. of A284321.
%F A327694 G.f.: Product_{i>=1} Product_{j>=1} (1 - x^(i*(5*j-2)))*(1 - x^(i*(5*j-3))).
%Y A327694 Convolution inverse of A327691.
%Y A327694 Cf. A284321, A327716.
%K A327694 sign
%O A327694 0,11
%A A327694 _Seiichi Manyama_, Sep 23 2019