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 A321325 #15 Nov 06 2018 07:54:38
%S A321325 1,1,1,0,1,0,0,-2,2,1,2,-3,1,-3,-1,-7,8,4,9,-7,7,-7,0,-21,15,2,18,-23,
%T A321325 8,-25,-1,-43,46,17,58,-34,40,-41,9,-98,79,10,100,-98,40,-123,-2,-191,
%U A321325 176,43,237,-136,144,-192,30,-362,277,12,373,-314,131,-457,-9,-606
%N A321325 G.f. satisfies: A(x) = (1 + x) * Product_{k>0} A(x^(2*k)) / Product_{k>1} A(x^(2*k-1)).
%H A321325 Seiichi Manyama, <a href="/A321325/b321325.txt">Table of n, a(n) for n = 0..10000</a>
%F A321325 G.f.: Product_{k>0} (1 + x^k)^A067856(k).
%F A321325 Product_{k>0} A(x^k) = Product_{k>=0} (1 + x^(2^k))^(2^k). (Cf. A073707.)
%Y A321325 Cf. A067856, A073707, A129373, A321326.
%K A321325 sign
%O A321325 0,8
%A A321325 _Seiichi Manyama_, Nov 05 2018