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A188600
Number of n X n binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally
0
2, 16, 211, 4914, 181626, 11895711, 1318303126, 260970703443, 90649351648443, 56467754515732171, 62670898425586313650, 124996110915469809369126
OFFSET
1,1
COMMENTS
Diagonal of A188607
EXAMPLE
Some solutions for 3X3
..1..0..1....1..0..1....1..0..1....0..1..1....1..0..0....1..0..0....1..1..1
..0..0..1....0..0..1....0..0..0....0..0..0....0..0..0....0..1..0....1..1..1
..1..0..1....0..1..1....1..0..0....0..1..1....0..0..0....0..1..1....1..1..1
CROSSREFS
Sequence in context: A087923 A222523 A004121 * A206930 A206865 A349313
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 05 2011
STATUS
approved