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A153541
Number of planar n X n X n binary triangular grids with no more than 7 ones in any 5 X 5 X 5 subtriangle.
0
1, 2, 8, 64, 968, 16384, 632168, 45430846, 5853525133, 1301439097025
OFFSET
0,2
CROSSREFS
Sequence in context: A011803 A007625 A085658 * A153569 A153532 A153561
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2009
STATUS
approved