A205063 T(n,k) is the number of (n+1) X (k+1) 0..2 arrays with rows and columns of permanents of all 2 X 2 subblocks lexicographically nondecreasing.

81, 491, 491, 2830, 7572, 2830, 14206, 111413, 111413, 14206, 68508, 1383154, 4502701, 1383154, 68508, 311076, 16383311, 151143466, 151143466, 16383311, 311076, 1375313, 175923930, 4798857522, 14708332687, 4798857522, 175923930

Offset

1,1

Comments

Table starts

......81.........491...........2830............14206.............68508

.....491........7572.........111413..........1383154..........16383311

....2830......111413........4502701........151143466........4798857522

...14206.....1383154......151143466......14708332687.....1363649327987

...68508....16383311.....4798857522....1363649327987...379440722213179

..311076...175923930...132027608391..108742082786809.90858740650768354

.1375313..1825712439..3385586913849.7942265856994338

.5904417.18040920199.78835118572937

Links

R. H. Hardin, Table of n, a(n) for n = 1..59

Example

Some solutions for n=4 k=3
..1..1..0..1....1..0..2..1....1..0..1..1....0..1..2..2....0..2..1..2
..2..0..2..2....0..2..2..1....2..2..2..1....0..0..1..1....1..2..2..2
..1..2..0..2....1..2..0..2....2..2..2..1....2..1..2..2....2..0..2..2
..1..2..2..0....0..2..2..1....2..2..2..1....2..2..0..0....2..2..2..2
..1..2..0..2....1..2..0..2....2..2..2..1....1..2..2..0....0..2..2..0

Crossrefs

Sequence in context: A235838 A304617 A205206 * A205057 A235756 A235531

Adjacent sequences: A205060 A205061 A205062 * A205064 A205065 A205066

Keyword

nonn,tabl

Author

R. H. Hardin, Jan 21 2012

Status

approved