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A189773
Number of n X n binary arrays without the pattern 1 0 0 1 diagonally, vertically or horizontally
0
2, 16, 512, 37976, 7767740, 3848548036, 5404382625660, 19742364192283882, 203905576411742503606, 5585800755853929115668714
OFFSET
1,1
COMMENTS
Diagonal of A189779
EXAMPLE
Some solutions for 5X5
..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
..0..0..1..0..0....0..0..0..0..1....0..0..1..0..0....0..0..0..0..0
..1..1..0..1..0....0..1..0..1..0....0..0..1..1..1....0..1..0..1..0
..1..0..1..0..1....1..0..1..0..1....0..1..0..0..0....1..1..1..0..0
..1..1..0..1..1....1..0..1..0..0....1..1..1..1..0....1..0..0..0..1
CROSSREFS
Sequence in context: A012393 A189899 A189335 * A189152 A265015 A267728
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 27 2011
STATUS
approved