A203083 Number of (n+2)X(n+2) binary arrays avoiding patterns 000 and 101 in rows and columns.

98, 787, 7558, 112334, 2370796, 68989536, 2942039652, 179655879540, 15600032557062, 1955530152142929, 351771423028876126, 90632490221136217305

Offset: 1

Author

R. H. Hardin Dec 29 2011

Keywords

• nonn

Comments

Diagonal of A203091

Examples

			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