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Numbers n such that F(n+1)*F(n-1)*B(2n) is an integer, where F(k)=k-th Fibonacci number and B(2k)=2k-th Bernoulli number.
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%I #6 Mar 30 2012 18:39:22

%S 1,7,13,17,19,31,37,43,47,49,59,61,67,71,73,79,91,97,101,103,107,109,

%T 121,127,133,137,139,143,149,151,157,161,163,167,169,181,193,197,199,

%U 211,217,223,227,229,241,247,257,259,263,269,271,277,283,289

%N Numbers n such that F(n+1)*F(n-1)*B(2n) is an integer, where F(k)=k-th Fibonacci number and B(2k)=2k-th Bernoulli number.

%C Differs from A045979 for some terms. Contains A053176.

%K nonn

%O 1,2

%A _Benoit Cloitre_, Feb 12 2004