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 A350203 #6 Feb 16 2025 08:34:02 %S A350203 1,46,65,110,150,160,196,246,254,255,245,281,355,309,331,339,335,349, %T A350203 399,412,380,439,385,425,435,395,466,440,444,476,494,470,471,485,480, %U A350203 475,535,521,516,520,588,525,571,585,589,560,602,565,594,561 %N A350203 a(n) is the smallest positive integer which can be represented as the sum of distinct centered triangular numbers in exactly n ways, or 0 if no such integer exists. %H A350203 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/CenteredTriangularNumber.html">Centered Triangular Number</a> %Y A350203 Cf. A005448, A274046, A281081, A350195, A350204. %K A350203 nonn %O A350203 1,2 %A A350203 _Ilya Gutkovskiy_, Dec 19 2021