A251098 Number of (n+1)X(6+1) 0..1 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element.

4023, 160086, 6151051, 237288487, 9160138107, 353489877714, 13640572890821, 526395665662695, 20314343818684906, 783961045672945429, 30254198630466688429, 1167552996163615153868, 45057545754429137006661

Offset: 1

Author

R. H. Hardin, Nov 29 2014

Keywords

• nonn

Comments

Column 6 of A251100

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210
• R. H. Hardin, Empirical recurrence of order 57

Formula

Empirical recurrence of order 57 (see link above)