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%I #4 Mar 13 2015 01:32:52
%S 2,3,7,31,67,79,97,109,151,199,211,241,331,379,409,457,499,619,631,
%T 751,757,769,877,991,1039,1087,1117,1201,1231,1291,1381,1429,1471,
%U 1609,1621,1777,1861,1999,2131,2179,2269,2281,2311,2341,2389,2551,2659,2719,2797
%N Primes that cannot be written as prime(k) + prime(k+1)*m.
%C A156311(A049084(a(n))) = 0.
%H Charles R Greathouse IV, <a href="/A156313/b156313.txt">Table of n, a(n) for n = 1..10000</a>
%o (PARI) ok(t)=my(p=2); forprime(q=3,nextprime(t/2),if(t%q==p, return(0)); p=q); 1
%o select(ok, primes(100)) \\ _Charles R Greathouse IV_, Mar 13 2015
%Y Cf. A156312.
%K nonn
%O 1,1
%A _Reinhard Zumkeller_, Feb 07 2009
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