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A186849
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Number of (n+1) X 9 binary arrays with no 2 X 2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2 X 2 subblock diagonal sum less antidiagonal sum.
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1
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52378, 1514138, 50707346, 1675514684, 58406620364, 2065646009310, 73006349720400, 2594103702923620, 92296881933749596, 3283815163241221908, 116881968695751606560, 4160746958216316764578, 148113678875510444112726
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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 3 X 9
..0..0..0..0..1..1..0..1..1....1..0..0..0..1..0..0..1..1
..0..1..1..0..1..0..1..0..0....0..0..0..1..1..1..0..1..0
..0..0..1..0..0..1..0..1..0....0..0..1..0..1..1..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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