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A155846 Primes of the form 2^p-p*q where p is prime,q=5. 3
-7, 7, 1993, 130987, 536870767, 9007199254740727 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..6.

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

Cf. A057664, A155841, A155842, A155843, A155844, A057678, A155845

Sequence in context: A213150 A239152 A320914 * A221114 A198841 A181438

Adjacent sequences:  A155843 A155844 A155845 * A155847 A155848 A155849

KEYWORD

sign

AUTHOR

Vladimir Joseph Stephan Orlovsky, Jan 28 2009

STATUS

approved

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Last modified November 18 07:22 EST 2019. Contains 329252 sequences. (Running on oeis4.)