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Primes that are not Chen primes (see A109611).
12

%I #7 Apr 29 2013 08:27:02

%S 43,61,73,79,97,103,151,163,173,193,223,229,241,271,277,283,313,331,

%T 349,367,373,383,397,421,433,439,457,463,523,547,593,601,607,613,619,

%U 643,661,673,691,709,727,733,739,757,773,823,853,859,883,907,929,967,997

%N Primes that are not Chen primes (see A109611).

%H Donovan Johnson, <a href="/A102540/b102540.txt">Table of n, a(n) for n = 1..1000</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/ChenPrime.html">Chen Prime</a>

%o (PARI) n=0; for(j=1, 1994, if(bigomega(prime(j)+2)>2, n++; write("b102540.txt", n " " prime(j)))) /* _Donovan Johnson_, Apr 29 2013 */

%K nonn

%O 1,1

%A Wilfredo Lopez (chakotay147138274(AT)yahoo.com), Aug 14 2005

%E More terms from Robert Happelberg (roberthappelberg(AT)yahoo.com), Aug 16 2005