cp's OEIS Frontend

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.

A302019 Expansion of 1/(1 - x*Sum_{k>=0} x^(k^3)).

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%I A302019 #4 Mar 31 2018 22:56:24
%S A302019 1,1,2,3,5,8,13,21,34,56,91,149,243,397,648,1058,1727,2819,4602,7512,
%T A302019 12263,20018,32678,53344,87080,142151,232050,378803,618366,1009433,
%U A302019 1647819,2689933,4391101,7168122,11701387,19101580,31181804,50901806,83093134,135642908,221426218,361460624
%N A302019 Expansion of 1/(1 - x*Sum_{k>=0} x^(k^3)).
%H A302019 N. J. A. Sloane, <a href="/transforms.txt">Transforms</a>
%H A302019 <a href="/index/Su#ssq">Index entries for sequences related to sums of cubes</a>
%F A302019 G.f.: 1/(1 - x*Sum_{k>=0} x^(k^3)).
%F A302019 a(0) = 1; a(n) = Sum_{k=1..n} A010057(k-1)*a(n-k).
%t A302019 nmax = 41; CoefficientList[Series[1/(1 - x Sum[x^k^3, {k, 0, nmax}]), {x, 0, nmax}], x]
%Y A302019 Antidiagonal sums of A290054.
%Y A302019 Cf. A010057, A302018.
%K A302019 nonn
%O A302019 0,3
%A A302019 _Ilya Gutkovskiy_, Mar 30 2018