A181042 Number of nX(n+3) binary matrices with no initial bit string in any row or column divisible by 6

1, 10, 112, 8877, 877602, 426329738, 345022087439, 1061962752544486, 6647031546593140619, 135319079933883541040433, 6321394399518438028247187706

Offset

1,2

Comments

Superdiagonal 3 of A181039

Links

Table of n, a(n) for n=1..11.

Example

Some solutions for 4X7
..1..1..1..1..1..1..1....1..1..1..1..1..1..1....1..1..1..1..1..1..1
..1..0..1..0..0..0..0....1..0..0..0..0..0..0....1..0..1..1..0..0..0
..1..1..1..1..1..0..1....1..0..0..0..0..1..1....1..1..1..1..1..0..1
..1..1..1..0..0..1..1....1..1..1..0..1..1..1....1..0..0..1..1..0..1

Crossrefs

Sequence in context: A014484 A110040 A298074 * A263370 A129866 A024130

Adjacent sequences: A181039 A181040 A181041 * A181043 A181044 A181045

Keyword

nonn

Author

R. H. Hardin Sep 30 2010

Status

approved