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 A350207 #8 Feb 16 2025 08:34:02 %S A350207 25,65,144,305,456,622,731,1006,1434,1499,1711,1806,2446,2742,3001, %T A350207 3051,3544,3699,3962,4345,5362,5039,5756,5712,6251,6655,7399,7698, %U A350207 7591,8304,8673,9241,9362,9299,10312,10606,11121,10736,12113,12737,12934 %N A350207 a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero n-gonal numbers in exactly n ways, or 0 if no such integer exists. %H A350207 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PolygonalNumber.html">Polygonal Number</a> %Y A350207 Cf. A057145, A097563, A274046, A350196, A350197, A350198, A350199, A350209, A350210. %K A350207 nonn %O A350207 3,1 %A A350207 _Ilya Gutkovskiy_, Dec 19 2021