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A106008 Primes p such that 10*p - 3 and 10*p + 3 are both primes. 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

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

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Last modified April 1 10:33 EDT 2020. Contains 333159 sequences. (Running on oeis4.)