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A153570 Number of planar n X n X n binary triangular grids with no more than 8 ones in any similarly oriented 5 X 5 X 5 subtriangle. 0
1, 2, 8, 64, 1013, 22819, 1080723, 98064835, 16728055591, 5280106993017, 3064935209805679 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..10.

CROSSREFS

Sequence in context: A192413 A194456 A153542 * A153533 A153562 A273256

Adjacent sequences:  A153567 A153568 A153569 * A153571 A153572 A153573

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 01 2009

STATUS

approved

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Last modified January 26 23:54 EST 2022. Contains 350601 sequences. (Running on oeis4.)