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A095995
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Primes of the form 100n - 1.
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3
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199, 499, 599, 1399, 1499, 1699, 1999, 2099, 2399, 2699, 2999, 3299, 3499, 4099, 4799, 4999, 5099, 5399, 6199, 6299, 6599, 6899, 7499, 7699, 8599, 8699, 8999, 9199, 10099, 10399, 10499, 10799, 11299, 11399, 11699, 12799, 12899, 13099, 13399
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OFFSET
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1,1
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COMMENTS
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If n is of the form 3x + 1 then 100n - 1 will be of the form 100*3x + 99, that is, a multiple of 3. The factorizations of other nonprime 100n - 1 has a much more complicated pattern.
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 1..1000
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EXAMPLE
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a(2)=499 because 499 = 100 * 5 - 1.
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MATHEMATICA
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Select[ 100Range[134] - 1, PrimeQ[ # ] &]
Select[Table[100n-1, {n, 0, 800}], PrimeQ] (* Vincenzo Librandi, Jul 17 2012 *)
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PROG
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(MAGMA) [a: n in [0..135] | IsPrime(a) where a is 100*n-1]; // Vincenzo Librandi, Jul 17 2012
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CROSSREFS
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Cf. A062800.
Sequence in context: A140632 A142814 A105975 * A159657 A308794 A308802
Adjacent sequences: A095992 A095993 A095994 * A095996 A095997 A095998
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KEYWORD
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nonn,easy
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AUTHOR
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Alonso del Arte, Jul 19 2004
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EXTENSIONS
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Edited by Robert G. Wilson v, Jul 23 2004
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STATUS
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approved
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