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A144234
Prime numbers of the form 6^k +- 5.
7
11, 31, 41, 211, 1291, 1301, 279941, 60466181, 78364164101, 101559956668421, 36845653286788892983291, 1326443518324400147398651, 7958661109946400884391941, 286511799958070431838109691
OFFSET
1,1
MATHEMATICA
Select[Sort[Flatten[#+{5, -5}&/@(6^Range[50])]], PrimeQ] (* Harvey P. Dale, May 12 2015 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reikku Kulon, Sep 15 2008
STATUS
approved