A236494 Number of (5+1)X(n+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise

167095, 33951181, 6319589033, 1095464601321, 182308906034159, 29439585362614471, 4665191068857484233, 729932548830479987349, 113283931213865070438195, 17489434164403493554005395

Offset

1,1

Comments

Row 5 of A236490

Links

R. H. Hardin, Table of n, a(n) for n = 1..30

Example

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

Crossrefs

Sequence in context: A235846 A187170 A047829 * A236489 A235436 A262802

Adjacent sequences: A236491 A236492 A236493 * A236495 A236496 A236497

Keyword

nonn

Author

R. H. Hardin, Jan 27 2014

Status

approved