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%I #7 Apr 09 2014 10:15:52
%S 1,3,7,11,16,27,37,45,61,71,82,105,134,161,178,209,227,245,272,313,
%T 334,377,401,425,457,483,533,563,592,653,684,785,826,907,942,1049,
%U 1086,1199,1241,1283,1324,1407,1483,1527,1594,1685,1743,1828,1925,2004,2155,2219
%N a(1) = 1. a(n) = a(n-1) + (n-th integer from among those positive integers which are coprime to a(n-1)).
%o (PARI) {m=52;print1(b=1,",");for(n=2,m,k=n;c=0;while(k>0,c++;if(gcd(b,c)==1,k--));print1(a=b+c,",");b=a)} - (Klaus Brockhaus, Aug 14 2006)
%Y Cf. A121641, A121047.
%K nonn
%O 1,2
%A _Leroy Quet_, Aug 12 2006
%E More terms from _Klaus Brockhaus_, Aug 14 2006
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