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

%S 2,4,6,8,10,12,14,18,20,24,28,30,34,36,38,40,42,48,50,54,60,64,66,68,

%T 72,78,80,84,90,94,96,98,102,104,108,110,114,120,124,126,132,134,138,

%U 144,150,154,156,162,164,168,174,178,180,186,188,190,192,198,204,208,210

%N Numbers 2n arising from A098806.

%o (PARI) f(n) = for(p=1,n, for(x=1,n, y=x-p; z=x+p; if(isprime(y)&isprime(z)&isprime(x),print1(p",");break)))

%K easy,nonn

%O 2,1

%A _Cino Hilliard_, Oct 06 2004