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A189689
Number of n X n binary arrays without the pattern 0 0 1 diagonally, vertically or antidiagonally
1
2, 16, 292, 11637, 862652, 140346362, 43645304766, 30140493826752, 41065086729341527, 123548887542841478730, 745009928964016992782018, 9811185735768630724517609865, 262092653227176839857198569967286
OFFSET
1,1
COMMENTS
Diagonal of A189696
LINKS
EXAMPLE
Some solutions for 3X3
..1..0..0....0..0..1....1..1..1....1..0..0....0..1..1....0..0..0....0..1..1
..1..1..1....1..1..1....1..0..1....0..1..1....0..1..0....0..1..0....1..1..1
..0..0..1....0..0..0....0..0..1....0..0..1....0..1..1....0..0..0....0..1..0
CROSSREFS
Sequence in context: A112722 A223664 A189611 * A188740 A259647 A188985
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 25 2011
STATUS
approved