A229371 Number of nX7 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 antidiagonally.

1224, 93589, 9346997, 911301584, 89084628843, 8710922742428, 851668326534130, 83250606242790579, 8145575543947646167, 796251832574767236498, 77900125870506075981681, 7616537920070292008035552

Offset: 1

Author

R. H. Hardin Sep 21 2013

Keywords

• nonn

Comments

Column 7 of A229372

Examples

			Some solutions for n=3
..0..0..0..0..2..2..1....0..0..0..1..0..1..0....0..0..0..1..0..0..1
..1..2..2..2..0..0..0....1..2..1..2..0..2..2....1..2..1..2..1..0..0
..2..0..0..1..2..1..2....0..0..2..1..2..1..0....0..0..0..0..1..2..1
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..220