A250509 Number of (n+2)X(2+2) 0..2 arrays with nondecreasing maximum minus minimum of every three consecutive values in every row and column

274625, 7615233, 184021141, 3726466325, 66217800903, 1079694968285, 16547443940527, 239762491944665, 3331432353007961, 44764306424750549, 583975364339968629, 7434540289095411055, 92726598333207379911

Offset

1,1

Comments

Column 2 of A250510

Links

R. H. Hardin, Table of n, a(n) for n = 1..31

Example

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

Crossrefs

Sequence in context: A351332 A235300 A256364 * A164520 A274351 A114664

Adjacent sequences: A250506 A250507 A250508 * A250510 A250511 A250512

Keyword

nonn

Author

R. H. Hardin, Nov 24 2014

Status

approved