A235448 Number of (n+1)X(7+1) 0..1 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.

33544, 4219322, 519099694, 63315473350, 7699719982722, 935263088301396, 113555975474406500, 13785363846787350466, 1673407961412976159218, 203131147623014349473962, 24657443308255446422188572

Offset: 1

Author

R. H. Hardin, Jan 10 2014

Keywords

• nonn

Comments

Column 7 of A235449

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..77