A237625 T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with the (lower) median of each row and column nondecreasing

33040, 1064444, 1064444, 33329056, 174401223, 33329056, 939401016, 21067188520, 21067188520, 939401016, 26658031968, 3115175178730, 13635265490368, 3115175178730, 26658031968, 703602018050, 335447670629516, 7431167371095728

Offset

1,1

Comments

Table starts

........33040.........1064444.........33329056........939401016.....26658031968

......1064444.......174401223......21067188520....3115175178730.335447670629516

.....33329056.....21067188520...13635265490368.7431167371095728

....939401016...3115175178730.7431167371095728

..26658031968.335447670629516

.703602018050

Links

R. H. Hardin, Table of n, a(n) for n = 1..23

Example

Some solutions for n=1 k=1
..0..0..2....1..1..3....1..1..1....1..3..1....0..0..2....1..2..1....3..0..0
..0..1..3....0..2..1....2..2..3....0..2..3....1..2..2....1..1..2....1..1..3
..2..1..2....1..1..3....3..3..3....3..1..3....3..2..2....3..0..2....1..1..2

Crossrefs

Sequence in context: A153748 A170789 A366515 * A237624 A118278 A118280

Adjacent sequences: A237622 A237623 A237624 * A237626 A237627 A237628

Keyword

nonn,tabl

Author

R. H. Hardin, Feb 10 2014

Status

approved