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A183796
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1/4 the number of (n+1)X4 0..3 arrays with no 2X2 subblock having sum 6
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1
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9395, 1405874, 209636605, 31282399226, 4667280876143, 696376467061670, 103901117941072621, 15502344363749910194, 2312992748053122211945, 345104985809234054192226, 51490626620654908643585387
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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 3X4
..0..0..2..0....0..2..2..0....0..2..0..2....0..2..2..0....0..0..2..3
..2..0..2..0....2..0..0..1....0..0..1..2....0..0..0..0....2..0..0..3
..2..3..3..2....1..0..3..3....1..0..1..3....1..0..3..2....0..0..3..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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