A103499 (1/12)*number of right triangles that can be formed from the points of an (n+1)X(n+1)X(n+1) lattice cube.

4, 113, 1026, 5273, 20170, 60906, 159798, 371262, 787640, 1550813, 2882994, 5083015, 8610474, 14032370, 22148796, 33984174, 50936912, 74600413, 107204886, 151236555, 209999748, 287230504, 387791652, 516909272, 681578384, 888990683

Offset

1,1

Links

Table of n, a(n) for n=1..26.

Crossrefs

Cf. all triangles in lattice cube A103426; special triangles in lattice cube: A103427, A103428, A103429, A103500, A103501; A103158 tetrahedra in lattice cube.

Sequence in context: A263416 A078780 A041377 * A298331 A299394 A299222

Adjacent sequences: A103496 A103497 A103498 * A103500 A103501 A103502

Keyword

nonn

Author

Hugo Pfoertner, Feb 08 2005

Status

approved