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 A368689 #5 Jan 03 2024 09:28:50
%S A368689 1,1,2,2,2,4,3,5,6,7,8,14,13,19,24,33,38,57,66,94,118,159,201,282,353,
%T A368689 478,622,836,1082,1463,1898,2546,3338,4448,5846,7806,10253,13647,
%U A368689 18005,23930,31573,41960,55406,73556,97257,129002,170626,226340,299429,397013,525495,696560,922112,1222210,1618201,2144487
%N A368689 Expansion of g.f. Sum_{n>=1} q^n/(1-q^(2*n)-q^(3*n)).
%o A368689 (PARI) my(N=55, q='q+O('q^N)); Vec(sum(n=1,N,q^n/(1-q^(2*n)-q^(3*n))))
%Y A368689 Cf. A007435 (g.f. Sum{n>=1} q^n/(1-q^n-q^(2*n))), A368688 (g.f. Sum_{n>=1} q^n/(1-q^n-q^(3*n))), A368687 (g.f. Sum_{n>=1} q^n/(1-q^n-q^(2*n)-q^(3*n))).
%K A368689 nonn
%O A368689 1,3
%A A368689 _Joerg Arndt_, Jan 03 2024