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A154091
Number of planar triangular n X n X n nonnegative integer grids with mirror symmetry about one altitude with every similarly oriented 5 X 5 X 5 subtriangle summing to 14.
0
15444, 106446, 294845, 765100, 1132408, 1998601, 2586773, 2366585, 1788843, 1141243, 542455
OFFSET
5,1
CROSSREFS
Sequence in context: A345841 A054840 A210058 * A246912 A035920 A342310
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2009
STATUS
approved