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A251242
Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the minimum of its antidiagonal elements
1
75, 14265, 20904689, 236035946835, 20534495636679387, 13764744150100667222985, 71093648993125363900542904561, 2829255370682961509218005180234886323
OFFSET
1,1
COMMENTS
Diagonal of A251249
LINKS
EXAMPLE
Some solutions for n=2
..2..0..0....0..2..1....2..0..2....1..2..0....2..0..1....2..2..0....1..1..0
..1..2..0....0..0..1....1..1..2....1..2..0....2..1..2....1..2..1....2..2..1
..2..1..0....0..0..2....0..0..0....1..1..1....1..1..0....1..1..2....1..0..2
CROSSREFS
Sequence in context: A294983 A361282 A093275 * A259464 A116527 A263064
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2014
STATUS
approved