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A185921
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Number of (n+1)X4 0..3 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant
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1
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49342, 7232034, 1079255234, 160170012852, 23757227154988, 3524972742682648, 522964399238602036, 77588547894909110228, 11511228098599228957442, 1707835005432644412456998, 253378710999044741081140368
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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..1..2..2....0..3..2..2....0..1..0..0....0..1..0..2....0..2..3..1
..2..0..1..2....1..0..3..0....3..0..2..0....1..0..2..0....2..2..3..0
..0..3..1..3....0..3..0..3....0..3..1..1....0..1..0..3....0..1..2..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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