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.

1, 2, 4, 5, 8, 10, 11, 14, 20, 21, 24, 30, 35, 36, 39, 40, 45, 55, 56, 57, 60, 66, 70, 76, 84, 85, 88, 91, 94, 104, 112, 119, 120, 121, 124, 130, 140, 155, 165, 166, 168, 169, 175, 176, 185, 200, 204, 220, 221, 224, 230, 240, 249, 255, 276, 285, 286, 287

Offset

1,2

Links

R. J. Mathar, Table of n, a(n) for n = 1..1047

Crossrefs

Cf. A000292, A104246, A102795, etc.

Sequence in context: A286687 A190807 A289058 * A247886 A244991 A004612

Adjacent sequences: A102795 A102796 A102797 * A102799 A102800 A102801

Keyword

nonn

Author

Jud McCranie, Feb 26 2005

Status

approved