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A153561 Number of planar n X n X n binary triangular grids with no more than 7 ones in any similarly oriented 4 X 4 X 4 subtriangle. 0
1, 2, 8, 64, 968, 28794, 1676720, 190753044, 42330133212, 18347290219443, 15531600187066091, 25676352051100036281, 82891258436313124567758, 522584330002597542177222679 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..13.

CROSSREFS

Sequence in context: A153541 A153569 A153532 * A192413 A194456 A153542

Adjacent sequences:  A153558 A153559 A153560 * A153562 A153563 A153564

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 01 2009

STATUS

approved

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Last modified January 19 20:48 EST 2022. Contains 350466 sequences. (Running on oeis4.)