A254453 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally and vertically.

76832, 1279568, 19716320, 275772848, 3694478768, 48236381800, 623402653056, 8027022727640, 103264924928344, 1328657798616824, 17098462225957872, 220073014797498536, 2832785034766355768, 36465171455788005608

Offset: 1

Author

R. H. Hardin, Jan 30 2015

Keywords

• nonn

Comments

Column 4 of A254457

Examples

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

Links

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