A207932 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically.

26, 676, 2080, 6400, 29760, 138384, 592968, 2540836, 11151624, 48944016, 213853728, 934402624, 4090548624, 17907257124, 78350974272, 342814934016, 1500522625152, 6567882332944, 28741775057096, 125777167061764

Offset: 1

Author

R. H. Hardin Feb 21 2012

Keywords

• nonn

Comments

Row 6 of A207928

Examples

			Some solutions for n=5
..1..1..0..0..1....0..1..1..0..0....0..1..1..0..1....1..1..0..1..1
..0..0..1..1..1....1..0..0..1..1....1..0..0..1..1....1..1..0..0..1
..0..1..1..0..0....0..1..1..0..1....1..1..1..1..0....0..0..1..1..0
..1..0..0..1..1....0..0..1..1..0....0..1..1..0..1....1..1..1..1..0
..0..0..1..1..1....1..0..0..1..1....1..0..0..1..1....1..1..0..0..1
..1..1..1..0..0....0..1..1..0..1....0..0..1..1..0....0..0..1..1..1
		

Links

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