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 A102797 #7 Jun 06 2025 10:13:13 %S A102797 7,13,16,19,23,26,29,32,38,42,47,48,51,53,54,62,63,68,69,72,78,79,81, %T A102797 87,93,97,99,100,102,106,109,110,115,117,118,127,133,135,136,138,142, %U A102797 143,145,146,148,149,151,152,157,158,161,163,164,171,174,181 %N A102797 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) = 4. %H A102797 R. J. Mathar, <a href="/A102797/b102797.txt">Table of n, a(n) for n = 1..4836</a> %Y A102797 Cf. A000292, A104246, A102795, etc. %K A102797 nonn %O A102797 1,1 %A A102797 _Jud McCranie_, Feb 26 2005