A250510 T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with nondecreasing maximum minus minimum of every three consecutive values in every row and column

19683, 274625, 274625, 3442951, 7615233, 3442951, 37595375, 184021141, 184021141, 37595375, 371694959, 3726466325, 8338442435, 3726466325, 371694959, 3436115229, 66217800903, 305746039533, 305746039533, 66217800903, 3436115229

Offset

1,1

Comments

Table starts

.......19683........274625.......3442951.......37595375.....371694959

......274625.......7615233.....184021141.....3726466325...66217800903

.....3442951.....184021141....8338442435...305746039533.9532770826509

....37595375....3726466325..305746039533.19678577675635

...371694959...66217800903.9532770826509

..3436115229.1079694968285

.30283802613

Links

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

Example

Some solutions for n=1 k=4
..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..0..0..2..0....0..0..0..2..0..2....0..0..0..1..0..1....0..1..1..0..2..0
..1..1..0..0..2..2....1..0..2..2..0..2....1..0..1..0..0..2....1..1..0..2..2..0

Crossrefs

Sequence in context: A373476 A250594 A067489 * A250508 A250507 A250505

Adjacent sequences: A250507 A250508 A250509 * A250511 A250512 A250513

Keyword

nonn,tabl

Author

R. H. Hardin, Nov 24 2014

Status

approved