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A153532 Number of planar n X n X n binary triangular grids with no more than 7 ones in any 4 X 4 X 4 subtriangle. 0
1, 2, 8, 64, 968, 28776, 1665065, 186775857, 40576650722, 17097010684006, 13970781527118884, 22134691041539759364, 67990421653342264227292 (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: A085658 A153541 A153569 * A153561 A192413 A194456

Adjacent sequences:  A153529 A153530 A153531 * A153533 A153534 A153535

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 01 2009

STATUS

approved

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Last modified May 21 00:36 EDT 2022. Contains 353886 sequences. (Running on oeis4.)