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A203083
Number of (n+2)X(n+2) binary arrays avoiding patterns 000 and 101 in rows and columns
0
98, 787, 7558, 112334, 2370796, 68989536, 2942039652, 179655879540, 15600032557062, 1955530152142929, 351771423028876126, 90632490221136217305
OFFSET
1,1
COMMENTS
Diagonal of A203091
EXAMPLE
Some solutions for n=3
..1..1..1..1..1....1..0..0..1..0....0..1..1..1..0....1..1..1..0..0
..1..1..0..0..1....1..0..0..1..0....0..1..1..0..0....0..1..1..1..1
..1..1..0..0..1....1..1..1..1..1....1..1..0..0..1....0..1..1..1..1
..1..1..1..1..0....1..1..1..1..1....1..0..0..1..0....1..1..1..1..0
..1..1..1..1..0....1..0..0..1..1....0..0..1..0..0....1..1..1..0..0
CROSSREFS
Sequence in context: A239173 A233928 A233921 * A202370 A184608 A088736
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 29 2011
STATUS
approved