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Interprimes which are of the form s*prime, s=19.
0

%I #6 Mar 30 2012 17:26:03

%S 4883,5833,8341,11267,23047,23503,27037,28253,29089,39691,40603,41857,

%T 44783,51053,52307,52763,56107,57703,61769,73739,76931,77767,82897,

%U 83999,85633,87077,88217,92663,115007,121391,123899,125533,129713

%N Interprimes which are of the form s*prime, s=19.

%C Interprimes of the form s*prime are in A075277-A075296 ( s = 2 - 21 ). Case s=1 is impossible.

%e 4883 is an interprime and 4883/19 = 257 is prime.

%t s=19; Select[Table[(Prime[n+1]+Prime[n])/2, {n, 2, 14000}], PrimeQ[ #/s]&]

%Y Cf. A075277-A075296.

%K easy,nonn

%O 1,1

%A _Zak Seidov_, Sep 12 2002