A207583 Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically.

2, 16, 60, 432, 3094, 25776, 263550, 3832616, 69396520, 1475600124, 38962584092, 1441585611138, 67002761499928, 3878723937334928, 264400592646069420, 24784751879627310504, 3083505379073129163384, 470186218198870776234068

Offset

1,1

Comments

Diagonal of A207589

Links

R. H. Hardin, Table of n, a(n) for n = 1..25

Example

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

Crossrefs

Sequence in context: A209219 A207688 A208495 * A152665 A183762 A061608

Adjacent sequences: A207580 A207581 A207582 * A207584 A207585 A207586

Keyword

nonn

Author

R. H. Hardin, Feb 19 2012

Status

approved