A189615 Number of nX7 binary arrays without the pattern 0 1 0 diagonally, antidiagonally or horizontally

65, 4225, 116100, 2482591, 68121839, 2076231513, 61652076124, 1785011303305, 52081392909734, 1531637258052071, 45087524679984918, 1325492265359151122, 38967877720497094747, 1146070566293713302197, 33712980614275859943483

Offset

1,1

Comments

Column 7 of A189617

Links

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

Example

Some solutions for 3X7
..0..0..1..1..1..0..1....0..0..1..1..0..1..1....1..1..1..1..0..0..1
..1..0..1..1..0..0..0....0..0..0..0..0..0..1....1..0..1..1..0..0..0
..1..1..0..1..1..1..0....1..0..1..1..1..1..0....1..0..1..1..1..1..1

Crossrefs

Sequence in context: A188506 A206882 A206999 * A206888 A188772 A207186

Adjacent sequences: A189612 A189613 A189614 * A189616 A189617 A189618

Keyword

nonn

Author

R. H. Hardin Apr 24 2011

Status

approved