A251247 Number of (n+1)X(6+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the minimum of its antidiagonal elements.

2911869, 3975606801, 5423196612609, 7397658897202791, 10090935221593972941, 13764744150100667222985, 18776074467676820865893649, 25611879095826060637986004629, 34936394682728788460192115698193

Offset: 1

Author

R. H. Hardin, Dec 01 2014

Keywords

• nonn

Comments

Column 6 of A251249

Examples

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

Links

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