A207893 Number of nX6 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 0 and 1 1 1 vertically.

19, 361, 1080, 6952, 38160, 205258, 1153532, 6420722, 35306016, 196164150, 1088708030, 6022687942, 33388715092, 185122745390, 1025484329530, 5683145307278, 31499382991888, 174545900126878, 967280691347214

Offset: 1

Author

R. H. Hardin Feb 21 2012

Keywords

• nonn

Comments

Column 6 of A207895

Examples

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

Links

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