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A188904
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Number of n X n binary arrays without the pattern 0 1 0 diagonally or antidiagonally
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1
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2, 16, 400, 21904, 2895584, 1139265009, 1206854973408, 2985549816834225, 18186473807187428754, 295962659559743287398400, 12785274595721911779350877195, 1397108287594488818133966259024144
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for 3X3
..1..0..0....1..1..1....0..0..1....1..1..1....1..0..1....0..1..0....0..1..0
..0..1..1....0..1..1....1..0..1....0..1..0....1..0..1....0..0..0....1..1..0
..1..0..1....1..1..1....1..1..0....1..1..1....0..0..0....1..1..0....1..1..1
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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