%I #6 Apr 09 2014 10:12:25
%S 1,4,35,187,247,1849,2059,2227,789,7381,83711,86021,1145993,1171733,
%T 1195757,2436559,42142223,14274301,275295799,55835135,56540567,
%U 19093197,444316699,1347822955,34052522467,309447273803,312536252003
%N a(n) = numerator of sum{k=1 to n} 1/A127518(k).
%C Every term is nonprime (1 or composite).
%Y Cf. A127518, A127520.
%K frac,nonn
%O 1,2
%A _Leroy Quet_, Jan 17 2007
%E Extended by _Ray Chandler_, Jan 22 2007