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

1,1

Comments

Column 7 of A235449

Links

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

Example

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

Crossrefs

Sequence in context: A206220 A069303 A235678 * A236197 A217565 A142587

Adjacent sequences: A235445 A235446 A235447 * A235449 A235450 A235451

Keyword

nonn

Author

R. H. Hardin, Jan 10 2014

Status

approved