A250458 Number of (n+2)X(4+2) 0..2 arrays with nondecreasing maximum of every three consecutive values in every row and column

120553784, 32602562806, 8367484120632, 1989073833819266, 427623692376852816, 89158016669061445146, 18010964448339431996059, 3542260135944601973556072, 686948699350074778963087678, 131599955084059225579913422391

Offset

1,1

Comments

Column 4 of A250459

Links

R. H. Hardin, Table of n, a(n) for n = 1..22

Example

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

Crossrefs

Sequence in context: A186804 A344632 A015380 * A038131 A081734 A058362

Adjacent sequences: A250455 A250456 A250457 * A250459 A250460 A250461

Keyword

nonn

Author

R. H. Hardin, Nov 23 2014

Status

approved