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Search: id:A132389
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| A132389 |
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Numbers n which are centers of prime galaxies. For each n, n plus any one of {-23,-19,-17,-13,-11,-1,+1,+11,+13,+17,+19,+23} is prime. |
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1
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| 41280160361370, 65073487398990, 273596722858620, 305247832189230, 314546191059030, 334701417639750, 355340244780360, 552105775370310, 610954727181960, 660119078678220, 767920116273240, 776137769447880, 899316460923720, 957065931972990, 1333086396411840, 1490344945469310
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Each such n is a multiple of 210.
Owen Jarand remarks that this sequence was computed by Phil Carmody in the late 1990's.
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REFERENCES
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Owen Jarand, Posting to Number Theory List, Sep 10 2007.
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EXAMPLE
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41280160361370 is here because 41280160361347, 41280160361351, 41280160361353, 41280160361357, 41280160361359, 41280160361369, 41280160361371, 41280160361381, 41280160361383, 41280160361387, 41280160361389, 41280160361393 are all primes.
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CROSSREFS
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Sequence in context: A080124 A121843 A122126 this_sequence A139575 A053586 A027605
Adjacent sequences: A132386 A132387 A132388 this_sequence A132390 A132391 A132392
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), based on Owen Jarand's Number Theory List posting, Nov 12 2007
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EXTENSIONS
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Edited by Don Reble (djr(AT)nk.ca), Nov 16 2007
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