A074042 - OEIS

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A074042

Numerator of Sum{1/A077800(k)|1<=k<=n}, denominator=A074043.

%I #5 Mar 30 2012 18:50:25

%S 1,8,11,92,1117,15676,281507,5603888,167362597,5328886012,

%T 222844337147,9761066934176,583589647901149,36052483750271224,

%U 2587390775195626139,190843701043052923832,19418598540473717052037

%N Numerator of Sum{1/A077800(k)|1<=k<=n}, denominator=A074043.

%C a(n)/A074043(n) -> Brun's constant (A065421).

%K nonn,frac

%O 1,2

%A _Reinhard Zumkeller_, Aug 13 2002

%E Definition corrected by _Max Alekseyev_, May 10 2009