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A175238
Primes p such that (p^2-6) and (p^2-8) are also prime.
1
5, 7, 17, 23, 53, 67, 367, 373, 383, 467, 487, 647, 773, 823, 1087, 1103, 1187, 1327, 1493, 1607, 1613, 1697, 1787, 2593, 2683, 2753, 2797, 2803, 2833, 2903, 3217, 4373, 4547, 4937, 5147, 5527, 5987, 6067, 6163, 6367, 6827, 7103, 7193, 7297, 8353, 8627
OFFSET
1,1
LINKS
EXAMPLE
For p=5,(19,17); p=7,(43,41); p=17,(283,281).
MATHEMATICA
Select[Prime[Range[1000]], And@@PrimeQ[#^2 + {-6, -8}]&] (* Vincenzo Librandi, Apr 10 2013 *)
PROG
(Magma) [p: p in PrimesUpTo(10000) | IsPrime(p^2-6) and IsPrime(p^2-8)]
CROSSREFS
Sequence in context: A265812 A128352 A025085 * A240030 A032412 A114970
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Mar 09 2010
STATUS
approved