A160950 Primes p such that 2p + 105 is prime.

2, 11, 13, 17, 23, 29, 31, 37, 43, 47, 53, 59, 61, 67, 73, 79, 83, 89, 101, 103, 113, 127, 131, 137, 139, 157, 163, 167, 179, 181, 191, 193, 197, 199, 229, 233, 241, 251, 257, 263, 269, 271, 277, 293, 307, 311, 317, 353, 359, 367, 379, 389, 401, 421, 431, 433

Offset

1,1

Comments

2*2+105=109, 2*11+105=127

Links

Table of n, a(n) for n=1..56.

Mathematica

a=3*5*7; lst={}; Do[p=Prime[n]; If[PrimeQ[2*p+a], AppendTo[lst, p]], {n, 6!}]; lst
Select[Prime[Range[100]], PrimeQ[2#+105]&] (* Harvey P. Dale, Apr 02 2018 *)

Crossrefs

Sequence in context: A243588 A137977 A338976 * A141168 A259394 A079132

Adjacent sequences: A160947 A160948 A160949 * A160951 A160952 A160953

Keyword

nonn,easy

Author

Vladimir Joseph Stephan Orlovsky, May 30 2009

Extensions

Edited by Charles R Greathouse IV, Nov 11 2009

Status

approved