%I A104246
%S A104246 1,2,3,1,2,3,4,2,3,1,2,3,4,2,3,4,5,3,4,1,2,3,4,2,3,4,5,3,4,2,3,4,5,3,
%T A104246 1,2,3,4,2,2,3,4,3,3,2,3,4,4,3,3,4,5,4,4,2,1,2,3,3,2,3,4,4,3,3,2,3,4,
%U A104246 4,2,3,4,5,3,3,2,3,4,4,3,4,5,5,1,2,3,4,2,3,3,2,3,4,2,3,3,4,3,4,4,3,4
%N A104246 Minimal number of tetrahedral numbers needed to represent n.
%H A104246 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               TetrahedralNumber.html">Tetrahedral Number</a>
%Y A104246 Cf. A000292 (tetrahedral numbers), A000797 (numbers that need 5 tetrahedral 
               numbers).
%Y A104246 See also A102795-A102806, A102855-A102858.
%Y A104246 Sequence in context: A098066 A096436 A053610 this_sequence A007720 A129968 
               A027615
%Y A104246 Adjacent sequences: A104243 A104244 A104245 this_sequence A104247 A104248 
               A104249
%K A104246 nonn
%O A104246 1,2
%A A104246 Eric Weisstein (eric(AT)weisstein.com), Feb 26, 2005