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 A291147 #8 Aug 20 2017 09:22:53 %S A291147 1,-1,0,0,0,0,0,0,0,-1,0,0,0,0,0,0,0,-1,0,0,0,0,0,0,0,-1,0,0,0,0,0,0, %T A291147 0,-1,0,0,-1,0,0,0,0,-1,0,0,-2,0,0,0,0,-1,0,0,-3,0,0,0,0,-1,0,0,-4,0, %U A291147 0,-1,0,-1,0,0,-5,0,0,-3,0,-1,0,0,-6,0,0,-6,0,-1 %N A291147 Expansion of 1 - x/(1 - x^8/(1 - x^27/(1 - x^64/(1 - x^125/(1 - x^216/(1 - ... - x^(n^3)/(1 - ...))))))), a continued fraction. %F A291147 Convolution inverse of A291146. %Y A291147 Cf. A290975, A291148. %K A291147 sign %O A291147 0,45 %A A291147 _Seiichi Manyama_, Aug 18 2017