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A153538 Number of planar n X n X n binary triangular grids with no more than 4 ones in any 5 X 5 X 5 subtriangle. 0
1, 2, 8, 57, 386, 1941, 27034, 643985, 22001658, 944060136, 51294296160, 4601871901192 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..11.

CROSSREFS

Sequence in context: A113725 A345677 A256724 * A153566 A153529 A153558

Adjacent sequences:  A153535 A153536 A153537 * A153539 A153540 A153541

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 01 2009

STATUS

approved

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Last modified June 28 11:00 EDT 2022. Contains 354905 sequences. (Running on oeis4.)