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Search: id:A122717
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| A122717 |
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Least prime P such that P is the least of bemirps of n digits and the bemirps are first of twin primes or 0 if not such prime exist. |
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+0 1
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| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 111696081881, 1061169181691, 0, 118181010160181
(list; graph; listen)
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OFFSET
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1,12
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COMMENT
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Bemirps: primes that yield a different prime when turned upside down with reversals of both being two more different primes (see A048895).
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LINKS
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Chris Caldwell, Bemirp [From G. L. Honaker, Jr. (honak3r(AT)gmail.com), Oct 01 2009]
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EXAMPLE
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111696081881 and 111696081883 twin primes
111969081881 and 111969081883 twin primes
188180696111 and 188180696113 twin primes
188180969111 and 188180969113 twin primes
so the least bemirp 111696081881 = a(12)
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CROSSREFS
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Cf. A048895.
Sequence in context: A072143 A095427 A038454 this_sequence A072718 A034652 A015402
Adjacent sequences: A122714 A122715 A122716 this_sequence A122718 A122719 A122720
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KEYWORD
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base,nonn
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AUTHOR
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Pierre CAMI (pierrecami(AT)tele2.fr), Sep 23 2006, Sep 25 2006
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EXTENSIONS
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Edited by N. J. A. Sloane, Oct 05 2009
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