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A205232 Number of (n+1)X6 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero 1
17010, 1707082, 221519116, 26740726836, 3156944585806, 315651250338121, 28822134156853594, 2305012794034616115, 169242457813735130939, 11278635989796761411020, 700226461876038160978441 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A205235

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..28

EXAMPLE

Some solutions for n=4

..1..1..1..1..0..2....0..1..1..1..2..2....2..1..0..2..1..2....1..2..2..1..1..0

..0..1..1..1..2..1....1..1..0..2..0..2....2..0..2..1..2..1....0..1..0..1..1..2

..2..1..2..1..1..1....0..1..1..1..2..2....2..1..0..2..1..2....2..2..1..2..2..1

..0..2..0..2..2..1....1..1..1..2..0..2....0..1..2..1..2..2....0..2..0..2..0..2

..2..0..2..2..0..2....0..1..1..2..1..2....2..1..2..0..1..2....2..1..2..0..1..2

CROSSREFS

Sequence in context: A235978 A326808 A300151 * A265972 A265927 A252647

Adjacent sequences:  A205229 A205230 A205231 * A205233 A205234 A205235

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 24 2012

STATUS

approved

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Last modified September 28 06:05 EDT 2021. Contains 347703 sequences. (Running on oeis4.)