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A153531
Number of planar n X n X n binary triangular grids with no more than 6 ones in any 4 X 4 X 4 subtriangle.
0
1, 2, 8, 64, 848, 22118, 1088504, 99906335, 16924655106, 5358080457293, 3167558708716057, 3489738205098931415
OFFSET
0,2
CROSSREFS
Sequence in context: A005640 A153540 A153568 * A153560 A321059 A331957
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2009
STATUS
approved