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A153569 Number of planar n X n X n binary triangular grids with no more than 7 ones in any similarly oriented 5 X 5 X 5 subtriangle. 0
1, 2, 8, 64, 968, 16384, 636160, 46471081, 6138372476, 1420652208666, 570274649107959 (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: A007625 A085658 A153541 * A153532 A153561 A192413

Adjacent sequences:  A153566 A153567 A153568 * A153570 A153571 A153572

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 01 2009

STATUS

approved

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Last modified June 29 18:25 EDT 2022. Contains 354913 sequences. (Running on oeis4.)