OFFSET
1,1
MATHEMATICA
Select[Prime[Range[220]], PrimeQ[28#+3]&&PrimeQ[3#+28]&]
PROG
(Magma) [p: p in PrimesUpTo(10000)| IsPrime(3*p+28) and IsPrime(28*p+3)]; // Vincenzo Librandi, Nov 13 2010
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, May 07 2005
STATUS
approved