A106010 Primes p such that 40*p - 3 and 40*p + 3 are both primes.

7, 17, 67, 71, 109, 113, 137, 139, 151, 181, 193, 197, 347, 463, 479, 487, 503, 557, 617, 631, 743, 769, 883, 983, 997, 1061, 1361, 1523, 1543, 1753, 1831, 1847, 1931, 1933, 2017, 2027, 2029, 2069, 2089, 2111, 2131, 2281, 2309, 2339, 2393, 2549, 2617, 2659

Offset

1,1

Links

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

Mathematica

Select[Prime[Range[400]], PrimeQ[40#+3]&&PrimeQ[40#-3]&]

Prog

(Magma) [p: p in PrimesUpTo(5000)|IsPrime(40*p+3) and IsPrime(40*p-3)] // Vincenzo Librandi, Jan 30 2011

Crossrefs

Sequence in context: A081632 A276907 A293464 * A136192 A269239 A118431

Adjacent sequences: A106007 A106008 A106009 * A106011 A106012 A106013

Keyword

nonn

Author

Zak Seidov, May 05 2005

Status

approved