A188856 Number of 7Xn binary arrays without the pattern 0 0 1 vertically, antidiagonally or horizontally

54, 2916, 59939, 1001368, 16242526, 251417066, 3821933610, 57064872614, 844165036271, 12390372090882, 180992829653245, 2634280800684388, 38249009993388722, 554396670218442029, 8026024201853260708

Offset

1,1

Comments

Row 7 of A188851

Links

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

Example

Some solutions for 7X3
..0..1..0....1..0..1....1..0..0....0..1..0....0..1..1....1..1..1....1..0..0
..1..1..1....1..1..0....0..1..1....1..0..1....1..0..1....1..0..1....1..1..1
..1..1..1....1..1..1....1..0..1....0..1..1....1..1..0....0..1..1....1..0..1
..0..1..1....1..0..0....0..1..1....1..1..0....0..1..1....1..1..1....0..1..1
..1..1..1....0..1..1....0..1..1....0..1..1....1..1..0....1..1..1....1..1..1
..0..1..1....1..0..1....0..1..0....1..0..0....0..1..1....0..1..0....1..0..0
..0..1..1....1..1..0....0..1..0....0..1..0....0..1..1....1..1..0....1..1..0

Crossrefs

Sequence in context: A188612 A188605 A188849 * A207004 A206784 A188521

Adjacent sequences: A188853 A188854 A188855 * A188857 A188858 A188859

Keyword

nonn

Author

R. H. Hardin Apr 12 2011

Status

approved