A132389 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.

41280160361370, 65073487398990, 273596722858620, 305247832189230, 314546191059030, 334701417639750, 355340244780360, 552105775370310, 610954727181960, 660119078678220, 767920116273240, 776137769447880, 899316460923720, 957065931972990, 1333086396411840, 1490344945469310

Offset

1,1

Comments

Each such n is a multiple of 210.

Owen Jarand remarks that this sequence was computed by Phil Carmody in the late 1990's.

References

Owen Jarand, Posting to Number Theory List, Sep 10 2007.

Links

Table of n, a(n) for n=1..16.

Example

41280160361370 is here because 41280160361347, 41280160361351, 41280160361353, 41280160361357, 41280160361359, 41280160361369, 41280160361371, 41280160361381, 41280160361383, 41280160361387, 41280160361389, 41280160361393 are all primes.

Crossrefs

Sequence in context: A318575 A337915 A211112 * A186913 A262193 A219320

Adjacent sequences: A132386 A132387 A132388 * A132390 A132391 A132392

Keyword

nonn

Author

N. J. A. Sloane, based on Owen Jarand's Number Theory List posting, Nov 12 2007

Extensions

Edited by Don Reble, Nov 16 2007

Status

approved