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 A339369 #4 Dec 02 2020 01:01:24 %S A339369 0,1,0,1,0,1,0,1,1,1,1,1,1,1,1,1,1,2,1,2,1,2,1,2,2,2,2,3,2,3,2,3,2,4, %T A339369 2,4,3,4,3,4,4,4,4,5,4,5,4,5,4,6,4,6,5,6,5,7,6,7,6,8,6,8,7,8,8,9,8,9, %U A339369 9,9,9,10,10,11,10,12,10,12,11,12,12,14,12,14,13,14 %N A339369 Number of partitions of n into an odd number of cubes. %H A339369 <a href="/index/Par#part">Index entries for sequences related to partitions</a> %H A339369 <a href="/index/Su#ssq">Index entries for sequences related to sums of cubes</a> %F A339369 G.f.: (1/2) * (Product_{k>=1} 1 / (1 - x^(k^3)) - Product_{k>=1} 1 / (1 + x^(k^3))). %F A339369 a(n) = (A003108(n) - A292560(n)) / 2. %e A339369 a(17) = 2 because we have [8, 8, 1] and [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. %t A339369 nmax = 85; CoefficientList[Series[(1/2) (Product[1/(1 - x^(k^3)), {k, 1, Floor[nmax^(1/3)] + 1}] - Product[1/(1 + x^(k^3)), {k, 1, Floor[nmax^(1/3)] + 1}]), {x, 0, nmax}], x] %Y A339369 Cf. A000578, A003108, A027193, A292560, A339365, A339368. %K A339369 nonn %O A339369 0,18 %A A339369 _Ilya Gutkovskiy_, Dec 01 2020