login
A106081
Primes p such that 5*p + 12 and 12*p + 5 are both primes.
1
7, 11, 19, 23, 29, 37, 43, 53, 67, 71, 107, 113, 157, 173, 179, 191, 241, 257, 271, 337, 353, 367, 373, 401, 439, 487, 491, 509, 521, 557, 569, 631, 691, 709, 773, 857, 877, 907, 911, 991, 1013, 1031, 1093, 1103, 1109, 1129, 1171, 1277, 1283
OFFSET
1,1
LINKS
MATHEMATICA
Select[Prime[Range[220]], PrimeQ[12#+5]&&PrimeQ[5#+12]&]
PROG
(Magma) [p: p in PrimesUpTo(1500)|IsPrime(5*p+12) and IsPrime(12*p+5)] // Vincenzo Librandi, Jan 30 2011
CROSSREFS
Sequence in context: A131192 A195759 A130570 * A329857 A168489 A329979
KEYWORD
nonn
AUTHOR
Zak Seidov, May 07 2005
STATUS
approved