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A205058 Number of (n+1)X3 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing 1
491, 7572, 111413, 1383154, 16383311, 175923930, 1825712439, 18040920199, 174834354143, 1658203154833, 15589489658454, 145407627330028, 1352240865751568, 12547362532350341, 116355015072768773 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A205063

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A260925 A217118 A205200 * A229520 A226715 A205819

Adjacent sequences:  A205055 A205056 A205057 * A205059 A205060 A205061

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 21 2012

STATUS

approved

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Last modified July 1 03:30 EDT 2022. Contains 354947 sequences. (Running on oeis4.)