A154088 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 13.

0, 632, 4434, 0, 5545, 25834, 0, 14701, 52378, 0, 10551

Offset

5,2

Links

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

Crossrefs

Sequence in context: A345811 A186898 A006913 * A321639 A185483 A074762

Adjacent sequences: A154085 A154086 A154087 * A154089 A154090 A154091

Keyword

nonn

Author

R. H. Hardin Jan 04 2009

Status

approved