A106085 Primes p such that 5*p + 22 and 22*p + 5 are primes.

3, 17, 29, 41, 47, 59, 131, 251, 257, 269, 293, 449, 563, 587, 701, 719, 797, 827, 1013, 1091, 1193, 1361, 1433, 1487, 1499, 1511, 1559, 1613, 1823, 1847, 1931, 1973, 2003, 2357, 2381, 2621, 2687, 2777, 2789, 2927, 2939, 2969, 2999, 3221, 3461, 3557, 4019

Offset

1,1

Links

Table of n, a(n) for n=1..47.

Mathematica

Select[Prime[Range[220]], PrimeQ[22#+5]&&PrimeQ[5#+22]&]

Prog

(Magma) [p: p in PrimesUpTo(10000)| IsPrime(5*p+22) and IsPrime(22*p+5)]; // Vincenzo Librandi, Nov 13 2010

Crossrefs

Sequence in context: A007348 A105912 A249374 * A172487 A007490 A173587

Adjacent sequences: A106082 A106083 A106084 * A106086 A106087 A106088

Keyword

nonn

Author

Zak Seidov, May 07 2005

Extensions

More terms from R. J. Mathar and Vincenzo Librandi, Mar 25 2010

Status

approved