A207916 Number of nX6 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 0 and 1 0 1 vertically.

19, 361, 1675, 13759, 86255, 612439, 4105063, 28280693, 192317491, 1315659479, 8974817871, 61305336781, 418503254641, 2857795269701, 19511966375659, 133229220360041, 909670357985593, 6211195191847723, 42409515649083757

Offset: 1

Author

R. H. Hardin Feb 21 2012

Keywords

• nonn

Comments

Column 6 of A207918

Examples

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

Links

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