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 A360214 #6 Feb 16 2025 08:34:04 %S A360214 1,231,575,721,1618,1750,1877,2240,2736,2995,3105,3080,3500,3311,3920, %T A360214 4151,4280,4495,4719,4621,4675,5041,5164,5291,5060,5591,5480,5566, %U A360214 5635,5755,5985,6216,6080,6279,6320,6510,6655,6636,6870,7145,7195,6999,6971,7296,7211 %N A360214 a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero octahedral numbers in exactly n ways, or -1 if no such integer exists. %H A360214 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/OctahedralNumber.html">Octahedral Number</a> %Y A360214 Cf. A005900, A275154, A350205, A360215, A360216. %K A360214 nonn %O A360214 1,2 %A A360214 _Ilya Gutkovskiy_, Jan 30 2023