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A206882
Number of nX7 0..1 arrays avoiding 0 1 0 horizontally and 1 0 1 vertically
1
65, 4225, 105936, 2276625, 56006452, 1455584860, 37121455086, 933389392995, 23502259683934, 593617743280100, 14997131474172367, 378662158472685372, 9559398762581848139, 241351966658699739066, 6093846582029230600582
OFFSET
1,1
COMMENTS
Column 7 of A206883
LINKS
EXAMPLE
Some solutions for n=4
..1..0..0..1..1..0..1....0..1..1..1..0..1..1....1..0..1..1..1..0..0
..0..1..1..0..0..1..1....1..0..0..0..1..1..0....0..1..1..1..1..0..1
..0..0..0..0..0..1..1....0..0..0..0..1..1..0....0..1..1..1..0..1..1
..1..0..0..0..0..0..0....0..0..0..1..1..1..0....0..0..1..1..0..0..1
CROSSREFS
Sequence in context: A188693 A206876 A188506 * A206999 A189615 A206888
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 13 2012
STATUS
approved