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 A102798 #7 Jun 06 2025 08:31:21 %S A102798 1,2,4,5,8,10,11,14,20,21,24,30,35,36,39,40,45,55,56,57,60,66,70,76, %T A102798 84,85,88,91,94,104,112,119,120,121,124,130,140,155,165,166,168,169, %U A102798 175,176,185,200,204,220,221,224,230,240,249,255,276,285,286,287 %N A102798 Let f(n) = A104246(n) be the minimal number of nonzero tetrahedral numbers that add to n; sequence gives numbers n for which f(n) <= 2. %H A102798 R. J. Mathar, <a href="/A102798/b102798.txt">Table of n, a(n) for n = 1..1047</a> %Y A102798 Cf. A000292, A104246, A102795, etc. %K A102798 nonn %O A102798 1,2 %A A102798 _Jud McCranie_, Feb 26 2005