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A153559 Number of planar n X n X n binary triangular grids with no more than 5 ones in any similarly oriented 4 X 4 X 4 subtriangle. 0
1, 2, 8, 63, 638, 13426, 519839, 35668242, 4237905865, 910482241277, 350815326279280, 240960455080921687, 294823444878274587128 (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: A153539 A153567 A153530 * A193195 A098000 A084279

Adjacent sequences:  A153556 A153557 A153558 * A153560 A153561 A153562

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 01 2009

STATUS

approved

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Last modified November 27 09:19 EST 2021. Contains 349365 sequences. (Running on oeis4.)