A154064 Number of planar triangular n X n X n nonnegative integer grids with every similarly oriented 4 X 4 X 4 subtriangle summing to 7.

11440, 126244, 617209, 1592776, 2882457, 5488397, 3815529, 2217346, 1107328, 574328, 312405, 273454, 263508, 309750

Offset

4,1

Links

Table of n, a(n) for n=4..17.

Crossrefs

Sequence in context: A115753 A257172 A269217 * A140922 A216363 A204569

Adjacent sequences: A154061 A154062 A154063 * A154065 A154066 A154067

Keyword

nonn

Author

R. H. Hardin Jan 04 2009

Status

approved