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A154078
Number of planar triangular n X n X n nonnegative integer grids with mirror symmetry about one altitude with every similarly oriented 4 X 4 X 4 subtriangle summing to 10.
0
378, 3930, 3121, 12164, 6241, 21168, 6550, 13276, 3181, 6207, 1260, 3165, 1024, 3226, 983, 2793, 935, 3076, 935, 2781, 935, 3076, 935, 2781, 935, 3076, 935, 2781, 935, 3076, 935, 2781, 935, 3076, 935, 2781, 935, 3076, 935, 2781, 935, 3076, 935, 2781, 935, 3076
OFFSET
4,1
COMMENTS
Pattern 935 3076 935 2781 starts at n=20 and continues through at least n=52.
CROSSREFS
Sequence in context: A224337 A239174 A235761 * A047632 A033699 A235544
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2009
STATUS
approved