A154083 Number of planar triangular n X n X n nonnegative integer grids symmetric under 120 degree rotation with every similarly oriented 5 X 5 X 5 subtriangle summing to 11.

0, 331, 1896, 0, 2038, 7351, 0, 4070, 11033, 0, 1729

Offset

5,2

Links

Table of n, a(n) for n=5..15.

Crossrefs

Sequence in context: A255155 A336059 A341234 * A237475 A060894 A002228

Adjacent sequences: A154080 A154081 A154082 * A154084 A154085 A154086

Keyword

nonn

Author

R. H. Hardin, Jan 04 2009

Status

approved