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 A374410 #15 Jul 08 2024 08:50:22
%S A374410 1,3,3,2,2,1,1,3,4,3,3,4,2,1,2,3,3,2,4,3,1,4,6,4,3,3,1,2,5,7,3,2,2,1,
%T A374410 3,3,7,5,3,2,4,4,4,6,4,5,4,5,2,4,4,2,2,3,4,6,8,5,4,2,2,4,6,6,5,3,6,5,
%U A374410 5,3,5,4,2,6,4,6,6,5,4,5,4,4,4,6,7,4,7,6,2,4,2,6,7,5,4,4,5,6,4,7,8,4,7,5
%N A374410 Number of ways to write n as an ordered sum of a triangular number, a heptagonal number and an octagonal number.
%H A374410 Seiichi Manyama, <a href="/A374410/b374410.txt">Table of n, a(n) for n = 0..10000</a>
%F A374410 G.f.: (Sum_{k>=0} x^(k*(k+1)/2)) * (Sum_{k>=0} x^(k*(5*k-3)/2)) * (Sum_{k>=0} x^(k*(3*k-2))).
%Y A374410 Cf. A000217, A000566, A000567, A374409.
%K A374410 nonn
%O A374410 0,2
%A A374410 _Seiichi Manyama_, Jul 08 2024