A155846 - OEIS

A155846

Primes of the form 2^p-p*q where p is prime,q=5.

-7, 7, 1993, 130987, 536870767, 9007199254740727

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OFFSET

1,1

LINKS

MATHEMATICA

q=5; lst={}; Do[p=Prime[n]; If[PrimeQ[p=2^p-p*q], AppendTo[lst, p]], {n, 5!}]; lst

Select[Table[2^p-5p, {p, Prime[Range[50]]}], PrimeQ] (* Harvey P. Dale, Jul 02 2018 *)

CROSSREFS

KEYWORD

sign

AUTHOR

STATUS

approved