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A251443
Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements
1
45, 2429, 618813, 711649307, 3659979005933, 83996177772618131, 8602687112500228141685, 3931528001788630390436453471, 8017578071204256749719798723737676
OFFSET
1,1
COMMENTS
Diagonal of A251451
LINKS
EXAMPLE
Some solutions for n=2
..1..2..1....1..0..1....0..2..1....0..1..2....1..1..1....0..2..1....1..2..2
..2..1..0....1..1..1....2..0..2....1..1..2....2..1..1....2..0..2....1..2..2
..0..1..1....1..1..1....0..2..1....2..2..1....1..1..0....0..2..2....1..2..1
CROSSREFS
Sequence in context: A095658 A342405 A279439 * A109941 A035097 A184286
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 02 2014
STATUS
approved