A205061 Number of (n+1)X6 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing

68508, 16383311, 4798857522, 1363649327987, 379440722213179, 90858740650768354

Offset

1,1

Comments

Column 5 of A205063

Links

Table of n, a(n) for n=1..6.

Example

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

Crossrefs

Sequence in context: A206174 A205428 A205203 * A093217 A224426 A031845

Adjacent sequences: A205058 A205059 A205060 * A205062 A205063 A205064

Keyword

nonn

Author

R. H. Hardin Jan 21 2012

Status

approved