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%I #10 Jun 13 2017 12:44:38
%S 8,14,32,80,138,144,236,284,302,342,344,390,420,438,446,510,542,546,
%T 570,612,638,644,680,690,696,768,794,804,812,816,822,834,866,888,908,
%U 942,960,1020,1022,1148,1190,1194,1224,1250,1278,1358,1368,1398,1434,1446
%N Numbers n such that 5*n^5 + 1 is prime.
%e If n=144 then 5*n^5 + 1 = 309586821121 (prime).
%t Select[Range[2000], PrimeQ[5#^5 + 1] &] (* _Stefan Steinerberger_ and _Giovanni Resta_, Apr 22 2006 *)
%o (PARI) is(n)=isprime(5*n^5+1) \\ _Charles R Greathouse IV_, Jun 13 2017
%Y Cf. A089001.
%K nonn,less,easy
%O 1,1
%A _Parthasarathy Nambi_, Apr 20 2006
%E More terms from _Stefan Steinerberger_ and _Giovanni Resta_, Apr 22 2006
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