A188743 Number of nX5 binary arrays without the pattern 1 1 1 diagonally, vertically or antidiagonally

32, 1024, 10327, 184411, 3283906, 50067824, 828466161, 13666030547, 221062541460, 3615827505717, 59094131400635, 963450629620601, 15731137751927915, 256815197782250586, 4191335618980407425

Offset

1,1

Comments

Column 5 of A188747

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

Some solutions for 3X5
..1..1..1..1..0....1..0..0..1..1....0..0..0..0..0....0..1..0..0..0
..0..0..0..0..1....0..1..0..1..0....1..0..0..1..1....1..0..0..1..0
..1..0..1..0..0....1..0..0..0..0....1..0..0..0..1....0..1..1..0..0

Crossrefs

Sequence in context: A223672 A189620 A189692 * A188995 A223683 A189067

Adjacent sequences: A188740 A188741 A188742 * A188744 A188745 A188746

Keyword

nonn

Author

R. H. Hardin Apr 09 2011

Status

approved