A106012 Primes p such that 70*p - 3 and 70*p + 3 are both primes.

5, 17, 23, 59, 71, 73, 83, 103, 127, 149, 157, 173, 307, 311, 331, 373, 419, 433, 467, 521, 593, 643, 709, 797, 811, 839, 859, 881, 907, 919, 929, 1019, 1031, 1033, 1039, 1171, 1249, 1277, 1279, 1297, 1361, 1447, 1543, 1579, 1583, 1669, 1709, 1847, 1867

Offset

1,1

Links

Michael De Vlieger, Table of n, a(n) for n = 1..10000

Mathematica

Select[Prime[Range[400]], PrimeQ[70#+3]&&PrimeQ[70#-3]&]

Prog

(Magma) [p: p in PrimesUpTo(5000)|IsPrime(70*p+3) and IsPrime(70*p-3)] // Vincenzo Librandi, Jan 30 2011

Crossrefs

Sequence in context: A303193 A145043 A097434 * A230527 A242178 A343594

Adjacent sequences: A106009 A106010 A106011 * A106013 A106014 A106015

Keyword

nonn

Author

Zak Seidov, May 05 2005

Status

approved