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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
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: A263416 A078780 A041377 * A298331 A299394 A299222
KEYWORD
nonn
AUTHOR
Hugo Pfoertner, Feb 08 2005
STATUS
approved