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A153563
Number of planar n X n X n binary triangular grids with no more than 9 ones in any similarly oriented 4 X 4 X 4 subtriangle.
0
1, 2, 8, 64, 1023, 32677, 2085852, 266072543, 67825229274, 34550724745098, 35172054875041935, 71550556026385872065, 290872707932040590253421, 2363021239114367414096994640, 38362505723755284120569710614165
OFFSET
0,2
CROSSREFS
Sequence in context: A066537 A084280 A153534 * A178169 A191572 A191573
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2009
STATUS
approved