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A204739
Number of (n+1)X8 0..1 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero
1
511, 5219, 50177, 476919, 4484324, 41716355, 384523522, 3504247804, 31566721277, 280920331934, 2471233351768, 21510581598211, 185527816735040, 1588088987381607, 13511723296065256, 114430286873282233
OFFSET
1,1
COMMENTS
Column 7 of A204740
LINKS
EXAMPLE
Some solutions for n=4
..1..0..1..0..1..1..1..1....1..0..1..1..1..1..1..0....0..1..0..1..0..1..0..1
..1..1..1..1..0..1..1..1....0..1..0..1..0..1..0..1....1..1..1..1..1..1..1..1
..0..1..0..1..1..1..1..1....1..0..1..1..1..1..1..1....0..1..0..1..0..1..0..1
..1..0..1..1..0..1..1..1....0..1..1..0..1..0..1..0....1..0..1..0..1..0..1..1
..1..1..0..1..1..1..1..1....1..1..0..1..1..1..1..1....1..1..1..1..0..1..0..1
CROSSREFS
Sequence in context: A031899 A143036 A160361 * A075948 A011559 A160953
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 18 2012
STATUS
approved