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A202092
Number of (n+2) X (n+2) binary arrays avoiding patterns 001 and 011 in rows and columns.
1
108, 1296, 12000, 160000, 1715000, 24010000, 280052640, 4032758016, 49700008512, 728933458176, 9337998878208, 138735983333376, 1829038842774000, 27435582641610000, 369797030228340000, 5588044012339360000
OFFSET
1,1
COMMENTS
Diagonal of A202100.
EXAMPLE
Some solutions for n=3
..1..1..1..1..1....1..1..1..0..1....1..1..0..0..0....1..1..1..1..1
..0..1..0..1..0....1..1..1..1..0....1..1..1..0..1....1..1..1..0..0
..1..0..0..0..0....1..1..1..0..1....0..1..0..0..0....0..0..0..0..0
..0..1..0..0..0....1..0..0..0..0....1..0..1..0..0....1..1..1..0..0
..1..0..0..0..0....1..0..1..0..1....0..1..0..0..0....0..0..0..0..0
CROSSREFS
Cf. A202100.
Sequence in context: A184201 A101213 A202608 * A202484 A096953 A187302
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 11 2011
STATUS
approved