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A205056 Number of (n+1)X(n+1) 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing 0
81, 7572, 4502701, 14708332687, 379440722213179 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A205063
LINKS
EXAMPLE
Some solutions for n=4
..2..1..0..0..2....2..0..1..2..0....2..1..0..2..1....1..2..1..0..1
..0..0..0..2..1....2..0..2..0..2....2..0..2..0..2....0..2..0..2..0
..1..1..1..2..0....0..0..2..2..2....1..1..0..2..0....2..2..2..2..2
..1..2..2..1..1....1..2..0..0..1....0..2..2..0..2....2..2..2..2..2
..1..1..2..1..2....2..1..1..0..1....1..2..0..1..2....2..2..2..2..2
CROSSREFS
Sequence in context: A185770 A222441 A206216 * A186132 A206504 A046172
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 21 2012
STATUS
approved

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Last modified September 16 19:27 EDT 2024. Contains 375977 sequences. (Running on oeis4.)