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 A307645 #5 Apr 20 2019 08:11:28 %S A307645 2,4,7,9,11,14,16,18,22,23,28,29,30,33,36,37,42,44,46,48,53,55,56,63, %T A307645 65,67,70,72,74,79,82,85,86,92,93,99,100,105,106,109,113,118,119,121, %U A307645 126,128,130,131,132,135,137,140,142,144,146,147,153,154,155,161,163,169,170,172,179 %N A307645 Numbers that are the sum of a positive triangular number and a positive cube. %F A307645 Exponents in expansion of (Sum_{i>=1} x^(i*(i+1)/2)) * (Sum_{j>=1} x^(j^3)). %Y A307645 Cf. A000217, A000578, A014133, A014155, A133254. %K A307645 nonn %O A307645 1,1 %A A307645 _Ilya Gutkovskiy_, Apr 19 2019