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A153560 Number of planar n X n X n binary triangular grids with no more than 6 ones in any similarly oriented 4 X 4 X 4 subtriangle. 0
1, 2, 8, 64, 848, 22202, 1109397, 104534239, 18430578601, 6145119518391, 3869729452665295, 4596597483881683039, 10296742221918199977665 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..12.

CROSSREFS

Sequence in context: A153540 A153568 A153531 * A321059 A331957 A134956

Adjacent sequences:  A153557 A153558 A153559 * A153561 A153562 A153563

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 01 2009

STATUS

approved

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Last modified December 1 08:44 EST 2021. Contains 349426 sequences. (Running on oeis4.)