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A098038 Numbers p such that p = (prime(n)+ prime(n+2))/2 is prime for prime indices n=2, 3, 5... 0

%I #4 Oct 01 2013 17:58:04

%S 5,373,593,1223,1511,1747,2903,4409,5113,5387,5563,5807,6317,6367,

%T 9871,11933,12653,13043,13177,16097,18223,18731,20347,20731,22073,

%U 23893,24077,24677,28069,30097,35317,36313,40283,40471,41479,41603,42187

%N Numbers p such that p = (prime(n)+ prime(n+2))/2 is prime for prime indices n=2, 3, 5...

%e prime(73)+ prime(75) = 746. 746/2 = 373, the second term in the table.

%o (PARI) g(n,m) = forprime(x=1,n,y=(prime(x)+prime(x+m)); if(y%2==0&isprime(y/2),print1(y\2",")))

%K easy,nonn

%O 2,1

%A _Cino Hilliard_, Sep 10 2004

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