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A251267
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Number of (n+1)X(7+1) 0..1 arrays with no 2X2 subblock having x11-x00 less than x10-x01
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1
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1013, 8277, 73805, 715685, 7189937, 73607411, 760734085, 7901650053, 82288916360, 858174176431, 8956460879354, 93513621828339, 976584141141835, 10199930967838789, 106540252006060732, 1112874401391136229
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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=3
..0..1..0..1..1..1..0..0....0..0..0..0..1..0..1..1....1..0..1..1..1..0..0..1
..0..0..1..0..0..0..1..1....0..0..1..1..0..1..1..1....0..1..0..0..0..1..1..1
..0..0..0..1..1..1..1..1....0..1..0..0..1..0..1..1....0..0..1..1..1..0..0..1
..0..0..1..0..0..0..1..1....0..0..1..1..0..1..0..1....0..0..0..0..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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