login
A106010
Primes p such that 40*p - 3 and 40*p + 3 are both primes.
1
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
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
KEYWORD
nonn
AUTHOR
Zak Seidov, May 05 2005
STATUS
approved