A187316 Half the number of (n+2)X10 binary arrays with each 3X3 subblock having sum 3, 4, 5 or 6

172142801, 79823385565, 35423389400148, 16174152113717987, 7381886136632779297, 3370511547179611607654

Offset

1,1

Comments

Column 8 of A187317

Links

Table of n, a(n) for n=1..6.

Example

Some solutions for 4X10 with a(1,1)=0
..0..0..1..0..0..1..0..1..1..0....0..0..1..0..0..1..0..1..1..1
..0..0..1..0..0..1..1..0..0..1....0..0..1..0..0..1..1..0..0..0
..0..0..1..0..1..1..0..1..1..0....0..0..1..0..0..1..0..1..1..0
..0..0..1..0..0..0..1..0..1..1....0..0..1..0..0..1..1..0..1..0

Crossrefs

Sequence in context: A096536 A104331 A233598 * A306875 A251999 A003850

Adjacent sequences: A187313 A187314 A187315 * A187317 A187318 A187319

Keyword

nonn

Author

R. H. Hardin Mar 08 2011

Status

approved