A235446 Number of (n+1)X(5+1) 0..1 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.

2644, 102376, 3886120, 146213244, 5485253042, 205551169550, 7699719982722, 288383414393138, 10800536489561114, 404495358726610494, 15148844516247948642, 567341751928412753520, 21247593602541105806608

Offset: 1

Author

R. H. Hardin, Jan 10 2014

Keywords

• nonn

Comments

Column 5 of A235449

Examples

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

Links

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