A161616 Primes p such that 2*p+111546435 is also prime.

29, 41, 53, 71, 79, 97, 103, 113, 127, 131, 137, 139, 151, 163, 179, 197, 199, 223, 227, 257, 271, 277, 283, 311, 313, 331, 337, 349, 353, 383, 389, 401, 419, 431, 443, 461, 503, 521, 563, 619, 643, 653, 673, 683, 769, 809, 827, 883, 887, 911, 919, 929, 947

Offset

1,1

Comments

3*5*7*11*13*17*19*23 = 111546435 = A046326(2) = A147581(1).

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Mathematica

a=3*5*7*11*13*17*19*23; c=0; lst={}; Do[p=Prime[n]; If[PrimeQ[2*p+a], AppendTo[lst, p], c++ ], {n, 6!}]; lst
Select[Prime[Range[200]], PrimeQ[2 # + 111546435]&] (* Vincenzo Librandi, Apr 15 2013 *)

Prog

(Magma) [p: p in PrimesUpTo(1000) | IsPrime(2*p + 111546435)]; // Vincenzo Librandi, Apr 15 2013

Crossrefs

Sequence in context: A330653 A125516 A068480 * A069454 A035789 A343478

Adjacent sequences: A161613 A161614 A161615 * A161617 A161618 A161619

Keyword

nonn,less

Author

Vladimir Joseph Stephan Orlovsky, Jun 14 2009

Status

approved