A235678 Number of (n+1)X(7+1) 0..1 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise

33544, 4178316, 510685176, 62100488254, 7541722428052, 915571832243030, 111141360154581108, 13491148978500627866, 1637644495947011565142, 198787774684087795661506, 24130123777752397380536568

Offset

1,1

Comments

Column 7 of A235679

Links

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

Example

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

Crossrefs

Sequence in context: A205212 A206220 A069303 * A235448 A236197 A217565

Adjacent sequences: A235675 A235676 A235677 * A235679 A235680 A235681

Keyword

nonn

Author

R. H. Hardin, Jan 13 2014

Status

approved