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 A382333 #8 Mar 22 2025 08:41:26
%S A382333 1,2,2,-2,8,-10,6,26,-108,258,-342,-194,2700,-8994,17830,-12878,
%T A382333 -61910,322110,-860106,1284546,571880,-10749654,38883554,-82867578,
%U A382333 68869212,286234558,-1619591538,4559780610,-7250287740,-2206074398,59250601986,-225063455922
%N A382333 Expansion of ( 1 + 4 * Sum_{k>=0} x^(2^k)/(1 - x^(2^k)) )^(1/2).
%F A382333 G.f. A(x) satisfies A(x) = ( A(x^2)^2 + 4*x/(1-x) )^(1/2).
%Y A382333 Cf. A001511, A382334.
%Y A382333 Cf. A223142, A382335.
%K A382333 sign,easy
%O A382333 0,2
%A A382333 _Seiichi Manyama_, Mar 22 2025