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 A382334 #9 Mar 22 2025 08:41:30 %S A382334 1,3,-3,12,-45,210,-1038,5331,-28068,150645,-820713,4526157,-25217451, %T A382334 141722985,-802455807,4573197111,-26211368118,150988107936, %U A382334 -873651133218,5075417681184,-29591720994384,173094835970280,-1015510421231184,5973910500301608,-35229684687254898 %N A382334 Expansion of ( 1 + 9 * Sum_{k>=0} x^(2^k)/(1 - x^(2^k)) )^(1/3). %F A382334 G.f. A(x) satisfies A(x) = ( A(x^2)^3 + 9*x/(1-x) )^(1/3). %Y A382334 Cf. A001511, A382333. %Y A382334 Cf. A223143, A382336. %K A382334 sign,easy %O A382334 0,2 %A A382334 _Seiichi Manyama_, Mar 22 2025