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Search: id:A153563
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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
1, 2, 8, 64, 1023, 32677, 2085852, 266072543, 67825229274, 34550724745098, 35172054875041935, 71550556026385872065, 290872707932040590253421, 2363021239114367414096994640, 38362505723755284120569710614165 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A066537 A084280 A153534 this_sequence A136283 A139680 A153544

Adjacent sequences: A153560 A153561 A153562 this_sequence A153564 A153565 A153566

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Jan 01 2009

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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