A205062 Number of (n+1)X7 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing

311076, 175923930, 132027608391, 108742082786809, 90858740650768354

Offset

1,1

Comments

Column 6 of A205063

Links

Table of n, a(n) for n=1..5.

Example

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

Crossrefs

Sequence in context: A251304 A127491 A205204 * A257015 A237566 A224631

Adjacent sequences: A205059 A205060 A205061 * A205063 A205064 A205065

Keyword

nonn

Author

R. H. Hardin Jan 21 2012

Status

approved