A206869 Number of nX6 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.

44, 1936, 31529, 502864, 8942469, 159327093, 2805723059, 49382253588, 870161983686, 15335126811127, 270230133940648, 4761777405210821, 83908473333577949, 1478577785507810905, 26054511301483619894

Offset: 1

Author

R. H. Hardin Feb 13 2012

Keywords

• nonn

Comments

Column 6 of A206871

Examples

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

Links

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