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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. 7
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 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

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: A085522 A078780 A041377 * A199834 A194495 A080482

Adjacent sequences:  A103496 A103497 A103498 * A103500 A103501 A103502

KEYWORD

nonn

AUTHOR

Hugo Pfoertner (hugo(AT)pfoertner.org), Feb 08 2005

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Last modified February 16 21:14 EST 2012. Contains 205971 sequences.