A075283 - OEIS

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

%S 56,376,1016,1864,2344,2696,3064,3544,3736,4024,4168,5384,5864,6376,

%T 7016,8696,8744,9224,9736,9784,13096,14312,15208,15464,15592,16424,

%U 16696,17096,19384,19816,20344,21064,21496,22856,23336,23704,26984

%N Interprimes which are of the form s*prime, s=8.

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

%e 1016 is an interprime and 1016/8 = 127 is prime.

%t s=8; Select[Table[(Prime[n+1]+Prime[n])/2, {n, 2, 1000}], PrimeQ[ #/s]&]

%Y Cf. A075277-A075296.

%K easy,nonn

%O 1,1

%A _Zak Seidov_, Sep 12 2002