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A154080
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 10.
0
0, 245, 1203, 0, 951, 3738, 0, 915, 4936, 0, 319, 1222
OFFSET
5,2
CROSSREFS
Sequence in context: A236887 A237161 A056264 * A375324 A259511 A023097
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2009
STATUS
approved