A106062 Primes p such that 1*p + 12 and 12*p + 1 are primes.

5, 19, 29, 31, 59, 61, 71, 89, 101, 139, 199, 229, 269, 271, 281, 409, 479, 601, 631, 661, 761, 811, 929, 1009, 1021, 1049, 1051, 1091, 1181, 1279, 1291, 1361, 1459, 1499, 1511, 1601, 1609, 1709, 1889, 2099, 2141, 2339, 2381, 2399, 2411, 2539, 2579, 2729

Offset: 1

Author

Zak Seidov, May 07 2005

Keywords

• nonn

Crossrefs

Intersection of A046133 and A075704. - Michel Marcus, Jan 20 2018

Programs

Magma

[p: p in PrimesUpTo(10000)| IsPrime(p+12) and IsPrime(12*p+1)]; // Vincenzo Librandi, Nov 13 2010

Mathematica

Select[Prime[Range[220]], PrimeQ[12#+1]&&PrimeQ[1#+12]&]