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

1,1

Comments

Column 5 of A235449

Links

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

Example

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

Crossrefs

Sequence in context: A257190 A254983 A235676 * A235750 A235813 A225023

Adjacent sequences: A235443 A235444 A235445 * A235447 A235448 A235449

Keyword

nonn

Author

R. H. Hardin, Jan 10 2014

Status

approved