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A205887
Number of (n+1)X(n+1) 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors
0
81, 6020, 1476942, 1076391970, 2458450081192, 17941121077647948
OFFSET
1,1
COMMENTS
Diagonal of A205894
EXAMPLE
Some solutions for n=3
..1..2..2..2....1..1..2..1....2..1..0..2....2..1..0..0....1..0..2..1
..0..1..0..2....1..0..1..2....1..2..2..1....0..2..1..2....2..2..2..0
..2..1..1..2....0..2..1..2....1..0..2..2....1..2..1..0....2..1..2..2
..2..1..2..0....0..2..2..2....0..1..0..0....1..2..2..1....1..0..0..1
CROSSREFS
Sequence in context: A060349 A212706 A036354 * A205199 A250612 A228974
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 01 2012
STATUS
approved