A207446 Number of 6Xn 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 0 0 vertically.

22, 484, 4048, 32393, 287176, 2405923, 19685415, 162644898, 1341574108, 11023853716, 90632253233, 745371866818, 6127014511151, 50361384430983, 413990430367770, 3403011557477728, 27971925637911848, 229926213789709519

Offset: 1

Author

R. H. Hardin Feb 17 2012

Keywords

• nonn

Comments

Row 6 of A207442

Examples

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

Links

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