A207522 Number of 6Xn 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically

26, 676, 3910, 23645, 174224, 1048423, 5849409, 34086388, 194127326, 1072682612, 5949871197, 32972259800, 181215150437, 994491836927, 5459206940728, 29912112343938, 163735018314976, 896261401236653, 4904165437714290

Offset

1,1

Comments

Row 6 of A207519

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
..0..1..1..0....0..1..1..1....0..1..1..1....0..1..1..1....1..0..1..1
..0..1..1..1....0..0..0..0....0..1..1..0....1..0..1..1....0..1..1..0
..0..1..1..1....1..0..0..0....1..0..0..0....1..0..0..0....0..1..1..0
..1..0..1..1....1..0..1..1....1..0..0..0....1..1..0..0....1..1..1..1
..1..0..1..1....0..1..1..1....0..0..0..0....0..1..1..0....1..1..1..1
..0..1..1..0....0..1..1..1....0..0..0..0....0..1..1..0....1..0..0..0

Crossrefs

Sequence in context: A207921 A208701 A207470 * A207257 A207952 A207861

Adjacent sequences: A207519 A207520 A207521 * A207523 A207524 A207525

Keyword

nonn

Author

R. H. Hardin Feb 18 2012

Status

approved