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A262468
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Number of (n+1)X(4+1) 0..1 arrays with each row divisible by 3 and each column divisible by 5, read as a binary number with top and left being the most significant bits.
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1
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1, 11, 121, 457, 2413, 22907, 239281, 2028469, 19072681, 195594107, 2033050681, 20694058921, 213513561709, 2238052993835, 23529091943281, 247329143808181, 2608684587258313, 27709182321786251, 294872156127246841
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OFFSET
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1,2
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COMMENTS
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LINKS
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FORMULA
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Empirical recurrence of order 73 (see link above)
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EXAMPLE
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Some solutions for n=4
..0..0..0..0..0....1..0..0..1..0....0..0..1..1..0....1..0..0..1..0
..0..0..0..1..1....1..0..0..1..0....0..0..1..1..0....0..0..0..0..0
..0..1..1..1..1....0..0..0..0..0....1..1..1..1..0....1..0..0..1..0
..0..0..0..1..1....0..0..0..0..0....0..0..1..1..0....0..0..0..0..0
..0..1..1..1..1....1..0..0..1..0....1..1..0..0..0....0..0..0..0..0
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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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