A161725 Primes p such that also p+30 and p-30 are primes.

37, 41, 43, 53, 59, 67, 71, 73, 83, 97, 101, 109, 127, 137, 167, 181, 193, 197, 211, 227, 241, 263, 281, 307, 337, 367, 379, 389, 409, 419, 431, 449, 461, 479, 491, 571, 577, 587, 601, 617, 631, 643, 647, 661, 739, 757, 827, 853, 857, 907, 911, 937, 941, 967

Offset

1,1

Links

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Example

The prime p=37 is in the sequence because 37-30=7 and 37+30=67 are also primes.

Mathematica

q=6*5; lst={}; Do[p=Prime[n]; If[PrimeQ[p-q] && PrimeQ[p+q], AppendTo[lst, p]], {n, 5000}]; lst

Crossrefs

Cf. A006489, A137796, A161723, A161724, A052243.

Sequence in context: A069963 A071855 A137675 * A100722 A093690 A288618

Adjacent sequences: A161722 A161723 A161724 * A161726 A161727 A161728

Keyword

nonn

Author

Vladimir Joseph Stephan Orlovsky, Jun 17 2009

Extensions

Definition edited by Emeric Deutsch, Jun 28 2009

Status

approved