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A184668
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Number of (n+1)X5 0..3 arrays with no 2X2 subblock summing to less than 6
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1
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216912, 88458672, 30765364899, 11348244616180, 4110692224930359, 1498459859767029015, 545098899148923125052, 198432026871542606565562, 72218093862175663215790336, 26285411777044349448747311771
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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 3X5
..0..0..2..3..1....0..0..2..3..2....0..0..2..0..1....0..0..2..2..0
..3..3..2..3..3....3..3..2..2..3....3..3..2..2..3....3..3..2..3..1
..0..0..3..0..2....1..0..1..2..0....0..0..2..3..0....1..0..2..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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