A153541 Number of planar n X n X n binary triangular grids with no more than 7 ones in any 5 X 5 X 5 subtriangle.

1, 2, 8, 64, 968, 16384, 632168, 45430846, 5853525133, 1301439097025

Offset

0,2

Links

Table of n, a(n) for n=0..9.

Crossrefs

Sequence in context: A011803 A007625 A085658 * A153569 A153532 A153561

Adjacent sequences: A153538 A153539 A153540 * A153542 A153543 A153544

Keyword

nonn

Author

R. H. Hardin, Jan 01 2009

Status

approved