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A206779
Number of n X n 0..1 arrays avoiding 0 0 1 horizontally and 0 1 1 vertically
0
2, 16, 230, 6752, 316744, 25571618, 3210775788, 659966594476, 210237711494832, 108398626938474968, 87023259420675848572, 113203578571407946861858, 230632914425943836888182164
OFFSET
1,1
COMMENTS
Diagonal of A206785
EXAMPLE
Some solutions for n=4
..0..1..1..1....1..1..1..0....1..0..0..0....1..1..0..1....1..0..0..0
..0..0..0..0....0..1..0..0....0..1..1..0....0..0..0..0....0..1..0..0
..1..0..0..0....0..0..0..0....1..0..0..0....0..1..1..1....0..0..0..0
..0..1..1..1....1..1..0..0....0..0..0..0....1..0..0..0....1..0..1..0
CROSSREFS
Sequence in context: A152542 A206877 A206995 * A233288 A181218 A301581
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 12 2012
STATUS
approved