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Search: id:A073862
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| A073862 |
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Difference between the largest and the smallest n-digit prime. |
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+0
1
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| 5, 86, 896, 8964, 89984, 899980, 8999988, 89999970, 899999930, 8999999960, 89999999958, 899999999986, 8999999999932, 89999999999936, 899999999999958, 8999999999999900, 89999999999999936, 899999999999999986
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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a(3) =997-101=896.
a(1)=5 because 7-2=5.
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MAPLE
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seq(prevprime(10^(n+1))-nextprime(10^n), n=0..20); (Deutsch)
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CROSSREFS
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Cf. A003617, A003618.
Adjacent sequences: A073859 A073860 A073861 this_sequence A073863 A073864 A073865
Sequence in context: A113107 A018925 A140159 this_sequence A069948 A054954 A106971
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 15 2002
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EXTENSIONS
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More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Mar 28 2005
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