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A105691
Primes p such that both 2p + 3 and 4p + 5 are primes.
1
2, 17, 47, 113, 167, 467, 503, 617, 647, 827, 1013, 1109, 1277, 1307, 1553, 1583, 1847, 2087, 2129, 2309, 2399, 2777, 2789, 3137, 3209, 3767, 3779, 4007, 4157, 4229, 4259, 4523, 4637, 5087, 5297, 5393, 5417, 6257, 6287, 6389, 6719, 6737, 6833, 6863
OFFSET
1,1
COMMENTS
Primes from A105610.
LINKS
MATHEMATICA
Select[Prime@ Range[900], AllTrue[{2 # + 3, 4 # + 5}, PrimeQ] &] (* Michael De Vlieger, Jan 22 2018 *)
PROG
(Magma) [p: p in PrimesUpTo(7000) |IsPrime(4*p+5) and IsPrime(2*p+3)] // Vincenzo Librandi, Nov 13 2010
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Apr 17 2005
STATUS
approved