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A208022
Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 0 1 vertically
1
2, 16, 102, 1377, 26845, 955073, 56728924, 5753550295, 985606824420, 287995609933240, 142779868614005475, 120212913507245137971, 171965976593899860842629, 417924073201539457547295084
OFFSET
1,1
COMMENTS
Diagonal of A208028
LINKS
EXAMPLE
Some solutions for n=4
..1..0..1..1....0..1..1..0....0..1..1..0....1..0..1..1....1..0..1..0
..1..0..1..0....1..1..0..0....1..0..1..0....1..0..1..0....1..0..1..1
..1..1..0..0....1..1..0..1....1..0..1..1....1..1..0..0....1..1..1..1
..1..1..0..1....1..1..1..1....0..1..0..1....0..1..0..1....1..1..1..1
CROSSREFS
Sequence in context: A208415 A207945 A207853 * A207803 A370823 A059204
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 22 2012
STATUS
approved