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A251291
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Number of (n+1)X(7+1) 0..1 arrays with every 2X2 subblock having a single 1 or two 1s on the same edge or main diagonally
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1
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1691, 21966, 202882, 2645966, 25654154, 322933003, 3232216177, 39571705178, 405845538185, 4863503527792, 50827817852319, 599113339096458, 6352973392705472, 73931887999623433, 792828826324721512
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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 n=2
..1..0..0..0..1..0..1..0....0..0..1..0..0..0..1..0....0..0..1..1..0..1..0..1
..0..0..1..0..1..0..1..0....1..0..0..0..1..0..0..1....1..0..0..0..0..0..0..0
..1..0..1..0..1..0..0..1....0..1..1..0..0..1..0..0....0..0..1..1..1..0..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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