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%I #7 Apr 09 2014 10:15:51
%S 3,7,7,11,17,19,23,29,29,37,41,43,47,53,53,61,61,71,79,73,83,89,97,
%T 101,103,107,109,127,127,131,137,139,139,151,157,163,167,173,179,181,
%U 191,197,197,199,199,223,229,229,233,241,241,251,257,263,269,277,277,277
%N a(n) = n-th prime from among those primes which are coprime to the n-th composite.
%e 8 is the 3rd composite. 3,5,7,11,... is the sequence of primes which are coprime to 8. 7 is the 3rd term of these primes, so a(3) = 7.
%o (PARI) {m=60;c=1;for(n=1,m,c++;while(isprime(c),c++);q=2;k=n;while(k>0,p=q;if(gcd(p,c)==1,k--);q=nextprime(p+1));print1(p,","))} - (Klaus Brockhaus, Aug 15 2006)
%K nonn
%O 1,1
%A _Leroy Quet_, Aug 04 2006
%E More terms from _Klaus Brockhaus_, Aug 15 2006
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