A103500 - OEIS

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A103500

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

8, 194, 1610, 8407, 32002, 98191, 254286, 596715, 1267128, 2506286, 4646666, 8239907, 13945450, 22784572, 35977540, 55368882, 82940928, 121737174, 174853556, 247158893, 343382312, 470183200, 634503574, 847118119, 1117272006

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..25.

CROSSREFS

Cf. all triangles in lattice cube A103426; special triangles in lattice cube: A103427, A103428, A103429, A103499, A103501; A103158 tetrahedra in lattice cube.

Sequence in context: A204820 A041269 A172340 * A232911 A338806 A119299

Adjacent sequences: A103497 A103498 A103499 * A103501 A103502 A103503

KEYWORD

nonn

AUTHOR

Hugo Pfoertner, Feb 08 2005

STATUS

approved