A235585 Number of (n+1)X(2+1) 0..2 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise

549, 8678, 125917, 1660676, 20719004, 246491295, 2840913933, 31961677744, 353604367053, 3864978556436, 41891682636375, 451399864543279, 4844588916295676, 51852752086001215, 553984358739359500

Offset

1,1

Comments

Column 2 of A235588

Links

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

Example

Some solutions for n=3
..0..1..1....1..0..1....2..0..1....0..1..2....1..1..0....1..1..1....0..0..2
..0..0..1....1..1..0....0..0..2....0..1..2....2..1..1....1..2..2....0..1..0
..0..2..1....2..2..0....0..0..1....2..1..0....1..2..0....2..2..0....0..2..0
..1..2..0....1..2..1....1..1..1....0..2..2....2..2..1....0..2..2....2..1..1

Crossrefs

Sequence in context: A206506 A235829 A235834 * A210399 A232314 A141547

Adjacent sequences: A235582 A235583 A235584 * A235586 A235587 A235588

Keyword

nonn

Author

R. H. Hardin, Jan 12 2014

Status

approved