A106076 Primes p such that 3*p + 28 and 28*p + 3 are primes.

11, 13, 17, 23, 37, 41, 67, 103, 107, 113, 127, 131, 191, 193, 197, 227, 277, 283, 337, 347, 353, 431, 457, 547, 571, 601, 613, 653, 751, 773, 787, 881, 953, 991, 997, 1031, 1181, 1297, 1423, 1433, 1543, 1657, 1693, 1723, 1733, 1847, 1871, 1951, 1993, 2003

Offset

1,1

Links

Table of n, a(n) for n=1..50.

Mathematica

Select[Prime[Range[220]], PrimeQ[28#+3]&&PrimeQ[3#+28]&]

Prog

(Magma) [p: p in PrimesUpTo(10000)| IsPrime(3*p+28) and IsPrime(28*p+3)]; // Vincenzo Librandi, Nov 13 2010

Crossrefs

Sequence in context: A106890 A048058 A048059 * A006489 A032621 A289701

Adjacent sequences: A106073 A106074 A106075 * A106077 A106078 A106079

Keyword

nonn

Author

Zak Seidov, May 07 2005

Status

approved