A235514 Number of (n+1)X(5+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise

2660, 103736, 3977050, 150092214, 5645191775, 211711499238, 7934494535832, 297222406479878, 11132550506229506, 416940408877849294, 15615143184638270525, 584807372908857047008, 21901745641913166256875

Offset

1,1

Comments

Column 5 of A235517

Links

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

Example

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

Crossrefs

Sequence in context: A251162 A217440 A235733 * A197108 A224685 A167191

Adjacent sequences: A235511 A235512 A235513 * A235515 A235516 A235517

Keyword

nonn

Author

R. H. Hardin, Jan 11 2014

Status

approved