A106008 Primes p such that 10*p - 3 and 10*p + 3 are both primes.

2, 5, 7, 11, 17, 23, 31, 37, 59, 61, 73, 109, 137, 149, 191, 199, 227, 229, 269, 271, 331, 353, 373, 401, 479, 499, 523, 541, 607, 683, 719, 787, 809, 829, 947, 997, 1061, 1109, 1181, 1193, 1297, 1523, 1531, 1607, 1619, 1627, 1657, 1699, 1733, 1831, 1879, 2011

Offset

1,1

Links

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

Formula

A093013 INTERSECT A000040. - R. J. Mathar, Mar 26 2024

Mathematica

Select[Prime[Range[120]], PrimeQ[10#+3]&&PrimeQ[10#-3]&]

Prog

(Magma) [p: p in PrimesUpTo(2100) | IsPrime(10*p-3) and IsPrime(10*p+3)]; // Vincenzo Librandi, Nov 13 2010

Crossrefs

Sequence in context: A290012 A062044 A077128 * A138244 A326505 A019396

Adjacent sequences: A106005 A106006 A106007 * A106009 A106010 A106011

Keyword

nonn

Author

Zak Seidov, May 05 2005

Status

approved