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A155842 Primes of the form q*p+2^p where p is prime, q=5. 7
23, 163, 137438953657, 2305843009213694257, 862718293348820473429344482784628181556388621521298319395315527976057, 19239260838083241802870625048898248928261591440656956380834127638791856333738872368854622194768025215237611325257 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

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

CROSSREFS

Cf. A057664, A155841

Sequence in context: A042022 A142091 A168027 * A248698 A186260 A229426

Adjacent sequences:  A155839 A155840 A155841 * A155843 A155844 A155845

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Jan 28 2009

STATUS

approved

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Last modified November 19 20:42 EST 2019. Contains 329323 sequences. (Running on oeis4.)