A205059 Number of (n+1)X4 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing.

2830, 111413, 4502701, 151143466, 4798857522, 132027608391, 3385586913849, 78835118572937, 1727591828022295, 35409057150817537, 691266578954573825, 12858328483865826072, 230198722962101096179, 3975668375450292897939

Offset

1,1

Comments

Column 3 of A205063

Links

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

Example

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

Crossrefs

Sequence in context: A237063 A251014 A205201 * A232762 A284888 A369597

Adjacent sequences: A205056 A205057 A205058 * A205060 A205061 A205062

Keyword

nonn

Author

R. H. Hardin, Jan 21 2012

Status

approved