A207429 Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 0 vertically.

14, 196, 1162, 6889, 55361, 444889, 3210938, 23174596, 174570082, 1315005169, 9738102283, 72114268681, 537769464960, 4010246553600, 29819994798720, 221740004737969, 1650780521420653, 12289511462408761, 91447279848789522

Offset: 1

Author

R. H. Hardin Feb 17 2012

Keywords

• nonn

Comments

Row 5 of A207426

Examples

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

Links

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