A153567 Number of planar n X n X n binary triangular grids with no more than 5 ones in any similarly oriented 5 X 5 X 5 subtriangle.

1, 2, 8, 63, 638, 4944, 107290, 4122772, 252553968, 22777499394, 2983659891399, 672402701915613

Offset

0,2

Links

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

Crossrefs

Sequence in context: A191604 A009271 A153539 * A153530 A153559 A193195

Adjacent sequences: A153564 A153565 A153566 * A153568 A153569 A153570

Keyword

nonn

Author

R. H. Hardin, Jan 01 2009

Status

approved