A127516 - OEIS

%I #6 Apr 09 2014 10:12:24

%S 1,3,11,61,137,1019,2143,761,7129,7309,7561,85691,88001,89849,1555153,

%T 3169211,1073857,31456013,31870133,6465133,150520187,757839553,

%U 10061458909,3397059023,65452148557,66115706837,66731868097,67123970717

%N a(n) = numerator of sum{k=1 to n} 1/A127515(k).

%C Every term is a noncomposite (1 or prime).

%Y Cf. A127515, A127517.

%K frac,nonn

%O 1,2

%A _Leroy Quet_, Jan 17 2007

%E Extended by _Ray Chandler_, Jan 22 2007