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A263437
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Number of (n+1)X(4+1) 0..4 arrays with each row and column divisible by 13, read as a base-5 number with top and left being the most significant digits.
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1
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6, 1225, 230997, 34701974, 7338416019, 1734077050001, 411888488700205, 97474251725203647, 23278720642816925773, 5600455813003589676711, 1348016894476660244129901, 324361887608749514534378737
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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 n=2
..1..1..2..1..1....0..1..3..1..3....2..2..1..1..4....0..2..0..2..0
..0..2..0..2..0....0..2..3..2..3....0..0..0..2..3....2..0..2..0..0
..1..4..2..4..1....0..4..1..4..1....2..2..1..4..2....3..2..3..2..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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