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A183263
Number of nX(n+1) binary arrays with the number of 0-1 adjacencies equal to the number of 0-0 adjacencies
0
1, 5, 157, 23285, 12358457, 25285926227, 195553837386094, 5666836462620366801, 612046414343332775190624, 245492224601703787791221255118
OFFSET
1,2
COMMENTS
Superdiagonal 1 of A183262
EXAMPLE
Some solutions for 3X4
..1..0..0..0....0..0..1..1....0..0..0..1....1..1..1..1....0..0..0..0
..1..1..1..0....0..0..0..1....0..0..1..1....1..1..1..1....0..1..1..0
..0..0..0..0....0..1..1..1....1..0..0..1....1..1..1..1....1..1..0..0
CROSSREFS
Sequence in context: A316738 A009082 A156134 * A369397 A155208 A321529
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 03 2011
STATUS
approved