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A153558 Number of planar n X n X n binary triangular grids with no more than 4 ones in any similarly oriented 4 X 4 X 4 subtriangle. 0
1, 2, 8, 57, 386, 5902, 157442, 6760327, 444864808, 50253619003, 9489610137995, 2943731871028561, 1496950842394800744 (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: A153538 A153566 A153529 * A027335 A133686 A153525

Adjacent sequences:  A153555 A153556 A153557 * A153559 A153560 A153561

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 01 2009

STATUS

approved

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Last modified October 15 00:14 EDT 2019. Contains 328025 sequences. (Running on oeis4.)