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%I #4 Oct 21 2014 10:21:21
%S 4,6,9,10,13,14,17,19,21,22,25,26,29,31,33,34,37,38,41,43,47,46,49,51,
%T 53,55,57,58,61,62,65,67,69,71,73,74,77,79,83,82,85,86,89,91,93,94,97,
%U 101,101,103,107,106,109,111,113,115,119,118,121,122,127,127,129,131
%N A171135(n) + 2n.
%C By definition of A171135: a(n) is prime or semiprime: A010051(a(n))+A064911(a(n))=1; A001222(a(n))<=2.
%o (PARI) a(n)=forprime(p=2, , if(bigomega(p+2*n)<3, return(p+2*n))) \\ _Charles R Greathouse IV_, Oct 21 2014
%K nonn
%O 1,1
%A _Reinhard Zumkeller_, Dec 04 2009
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