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 A102802 #4 Oct 02 2013 15:57:58 %S A102802 15,25,31,34,40,46,49,59,61,65,67,70,77,80,86,89,92,95,98,101,105,108, %T A102802 111,114,123,125,129,131,134,139,141,144,150,156,159,160,170,177,179, %U A102802 180,186,189,195,196,201,205,208,210,211,214,222,225,231 %N A102802 Let f(n) be the minimal number of distinct nonzero tetrahedral numbers that add to n (or -1 if n is not a sum of distinct tetrahedral numbers); sequence gives numbers n for which f(n) = 3. %Y A102802 Cf. A000292, A104246, A102795, etc. %K A102802 nonn %O A102802 1,1 %A A102802 _Jud McCranie_, Feb 26 2005