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A165667
Primes p such that (p^2-2)/7 is also prime.
3
11, 17, 31, 53, 67, 73, 109, 151, 199, 241, 269, 389, 563, 599, 613, 661, 739, 773, 809, 977, 983, 991, 1033, 1061, 1123, 1151, 1187, 1193, 1249, 1277, 1319, 1327, 1453, 1487, 1543, 1831, 1879, 1907, 2027, 2083, 2089, 2237, 2251, 2383, 2447, 2579, 2593, 2621, 2671
OFFSET
1,1
LINKS
FORMULA
EXAMPLE
For p=11, (11^2-2)/7=17. For p=17,(17^2-2)/7=41. For p=31,(31^2-2)/7=137.
MATHEMATICA
Select[Prime[Range[500]], PrimeQ[(#^2-2)/7]&] (* Harvey P. Dale, Jan 06 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Sep 24 2009
EXTENSIONS
More terms from R. J. Mathar and Charles R Greathouse IV, Oct 12 2009
STATUS
approved