A102796 - OEIS

%I #4 Oct 02 2013 15:57:58

%S 3,6,9,12,15,18,22,25,28,31,34,37,41,43,44,46,49,50,58,59,61,64,65,67,

%T 71,74,75,77,80,86,89,90,92,95,96,98,101,105,108,111,113,114,116,122,

%U 123,125,126,128,129,131,132,134,139,141,144,147,150,154,156

%N 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) = 3.

%Y Cf. A000292, A104246, A102795, etc.

%K nonn

%O 1,1

%A _Jud McCranie_, Feb 26 2005