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A239990
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Number of 6Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4
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1
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10, 84, 935, 9079, 83658, 652346, 4803152, 33097266, 216706121, 1349071998, 8021288399, 45621294425, 248975151409, 1305176292249, 6573063784889, 31800829162681, 147862529519971, 661287427073134, 2848137371338660
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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 polynomial of degree 55 (see link above)
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EXAMPLE
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Some solutions for n=3
..3..0..0....3..0..0....3..0..0....3..0..0....3..0..0....3..0..0....3..0..0
..3..1..3....2..1..0....3..1..3....2..3..3....2..3..0....2..1..0....3..1..3
..3..2..3....2..0..3....2..1..2....2..0..0....2..0..1....2..0..0....3..2..0
..2..3..3....3..0..2....3..2..0....3..2..0....3..2..2....2..0..1....2..3..3
..3..1..2....3..2..2....3..1..2....3..2..3....2..1..0....2..0..1....3..1..2
..2..3..3....2..3..3....3..2..2....2..3..3....3..2..3....3..0..2....2..3..3
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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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