A103426 (1/4)*Number of non-degenerate triangles that can be formed from the points of an (n+1)X(n+1)X(n+1) lattice cube.

14, 719, 10322, 78973, 412666, 1662616, 5550432, 16056600, 41504082, 97957235, 214501838, 441056849, 859632934, 1599921616, 2860527328, 4937138832, 8259305646, 13437461703, 21322651346, 33080660021, 50283889886, 75023188336

Offset

1,1

Links

Table of n, a(n) for n=1..22.

Crossrefs

Cf. special triangles in lattice cube: A103427, A103428, A103429, A103499, A103500, A103501; A103158 tetrahedra in lattice cube.

Sequence in context: A303288 A277299 A233506 * A203750 A232158 A208254

Adjacent sequences: A103423 A103424 A103425 * A103427 A103428 A103429

Keyword

nonn

Author

Hugo Pfoertner, Feb 08 2005

Status

approved