A186049 Number of (n+2)X8 binary arrays with each 3X3 subblock singular

2588842, 240280270, 21790214094, 1642063770394, 137706977983060, 11449128594687024, 936496872238986044, 77511953226639748246, 6406893092233533908442, 528930411882010842895740

Offset

1,1

Comments

Column 6 of A186052

Links

R. H. Hardin, Table of n, a(n) for n = 1..48

Example

Some solutions for 4X8
..0..0..0..0..1..0..1..1....0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0
..0..0..0..0..0..0..1..0....0..0..0..0..1..1..0..1....0..0..0..0..0..0..1..1
..0..0..0..1..0..0..0..0....0..0..0..0..1..1..0..1....0..0..0..1..1..0..1..1
..0..0..0..1..0..0..0..0....0..0..0..1..0..1..0..0....0..0..0..0..1..0..0..1

Crossrefs

Sequence in context: A225321 A259563 A151938 * A237920 A317615 A250706

Adjacent sequences: A186046 A186047 A186048 * A186050 A186051 A186052

Keyword

nonn

Author

R. H. Hardin Feb 11 2011

Status

approved