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A154938
Numbers k such that k^6 - 2 and k^6 + 2 are both primes.
1
195, 213, 231, 657, 1563, 1749, 2967, 3597, 3627, 4263, 4887, 6867, 6993, 7257, 7725, 9045, 9201, 9717, 11595, 12579, 13029, 14145, 14259, 14367, 15837, 16131, 16581, 17259, 19905, 19917, 21081, 21711, 23127, 24435, 24921, 28299, 28707
OFFSET
1,1
LINKS
MATHEMATICA
lst={}; Do[p1=n^6-2; p2=n^6+2; If[PrimeQ[p1]&&PrimeQ[p2], AppendTo[lst, n]], {n, 0, 9!}]; lst
PROG
(Magma) [n: n in [1..500] | IsPrime(n^6-2) and IsPrime(n^6+2)] // Vincenzo Librandi, Nov 26 2010
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved