A184772 Number of (n+1)X9 0..3 arrays with every 2X2 subblock singular

13370536, 119205236368, 26695990774288, 77441892454241488, 38088784754633618128, 65125066574894542587856, 49227749118673440429632464, 65871504288847215551031759568

Offset

1,1

Comments

Column 8 of A184773

Links

Table of n, a(n) for n=1..8.

Example

Some solutions for 3X9
..0..0..0..0..0..0..0..0..1....0..0..0..0..0..1..1..0..0
..0..0..0..0..0..1..3..0..1....0..0..0..0..0..0..0..0..0
..0..0..0..0..0..1..3..0..2....0..0..0..0..0..1..3..3..3

Crossrefs

Sequence in context: A094801 A330678 A250831 * A015425 A352329 A353025

Adjacent sequences: A184769 A184770 A184771 * A184773 A184774 A184775

Keyword

nonn

Author

R. H. Hardin Jan 21 2011

Status

approved