A153533 Number of planar n X n X n binary triangular grids with no more than 8 ones in any 4 X 4 X 4 subtriangle.

1, 2, 8, 64, 1013, 31869, 1989928, 246059532, 60279179910, 29257643676931, 28134981254125694, 53601575793780989862, 202317609655754784484156, 1512918909111169363389236086

Offset

0,2

Links

Table of n, a(n) for n=0..13.

Crossrefs

Sequence in context: A194456 A153542 A153570 * A153562 A273256 A192414

Adjacent sequences: A153530 A153531 A153532 * A153534 A153535 A153536

Keyword

nonn

Author

R. H. Hardin, Jan 01 2009

Status

approved