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A251266
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Number of (n+1)X(6+1) 0..1 arrays with no 2X2 subblock having x11-x00 less than x10-x01
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1
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502, 3894, 31936, 279718, 2510004, 22806904, 208452452, 1910905110, 17543333688, 161181383956, 1481444894708, 13618944927408, 125212172603876, 1151259684237236, 10585524477077008, 97332520279830066, 894966894170134936
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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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FORMULA
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Empirical recurrence of order 62 (see link above)
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EXAMPLE
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Some solutions for n=3
..0..0..1..1..1..1..1....0..0..0..0..0..1..0....0..0..1..1..1..1..1
..0..0..0..1..1..1..1....0..0..1..1..1..0..1....0..1..1..1..1..1..1
..1..1..1..0..0..0..1....0..1..0..0..0..1..1....0..1..1..1..1..1..1
..0..0..0..1..1..1..1....1..0..1..1..1..1..1....0..0..0..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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