A250508 Number of (n+2)X(1+2) 0..2 arrays with nondecreasing maximum minus minimum of every three consecutive values in every row and column

19683, 274625, 3442951, 37595375, 371694959, 3436115229, 30283802613, 255685143923, 2089787836625, 16641921796291, 129546535071799, 989447338713023, 7436913272854057, 55111908391372377, 403398312288430103

Offset

1,1

Comments

Column 1 of A250510

Links

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

Example

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

Crossrefs

Sequence in context: A250594 A067489 A250510 * A250507 A250505 A186625

Adjacent sequences: A250505 A250506 A250507 * A250509 A250510 A250511

Keyword

nonn

Author

R. H. Hardin, Nov 24 2014

Status

approved