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 A382369 #8 Mar 23 2025 10:08:09
%S A382369 1,3,21,168,1416,12396,111219,1015221,9386643,87650775,824926152,
%T A382369 7813623234,74403686022,711670543635,6833183666862,65826593737206,
%U A382369 635962416394296,6159757277793783,59796182640515031,581643107427461664,5667929195670139296,55322424966010598556
%N A382369 Expansion of 1/( 1 - 9 * Sum_{k>=0} x^(3^k) / (1 - x^(3^k)) )^(1/3).
%F A382369 G.f. A(x) satisfies A(x) = 1/( 1/A(x^3)^3 - 9*x/(1-x) )^(1/3).
%Y A382369 Cf. A382367, A382368.
%K A382369 nonn
%O A382369 0,2
%A A382369 _Seiichi Manyama_, Mar 22 2025