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A251093
Number of (n+1)X(n+1) 0..1 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element
1
13, 212, 9597, 1175519, 391088995, 353489877714, 867470863709067, 5781820357157777986, 104649732973693543280042, 5143991426222399264506760205, 686661619658213553959701988139993
OFFSET
1,1
COMMENTS
Diagonal of A251100
LINKS
EXAMPLE
Some solutions for n=3
..1..0..0..1....1..0..0..0....1..1..1..1....0..0..1..0....1..0..1..0
..0..1..0..1....0..0..1..1....0..0..0..1....1..0..0..0....1..0..1..1
..0..0..0..1....1..0..0..0....0..0..0..0....1..0..1..1....1..0..0..0
..1..0..0..1....0..0..1..0....0..0..1..0....0..0..0..1....1..0..0..1
CROSSREFS
Sequence in context: A196328 A362550 A340431 * A132542 A069989 A140517
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 29 2014
STATUS
approved