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%I A064168
%S A064168 2,5,17,37,197,69,503,1041,9649,9901,111431,113741,1506353,1532093,
%T A064168 1556117,3157279,54394463,18358381,352893319,71354639,24031221,24266365,
%U A064168 563299563,1704771547,42976237267,43319457067,392849685203,395718022103
%N A064168 Sum of numerator and denominator in n-th harmonic number, 1 + 1/2 + 1/
               3 +...+ 1/n.
%C A064168 Numerator and denominator in definition have no common factors >1.
%H A064168 Leroy Quet, <a href="http://www.prism-of-spirals.net/">Home Page</a> 
               (listed in lieu of email address)
%e A064168 The 3rd harmonic number is 11/6. So a(3) = 11 + 6 = 17.
%p A064168 h:=n->numer(sum(1/k,k=1..n))+denom(sum(1/k,k=1..n)): seq(h(n),n=1..30); 
               (Deutsch)
%Y A064168 Sequence in context: A078324 A002496 A127436 this_sequence A118727 A042361 
               A114300
%Y A064168 Adjacent sequences: A064165 A064166 A064167 this_sequence A064169 A064170 
               A064171
%K A064168 nonn,easy
%O A064168 1,1
%A A064168 Leroy Quet Sep 19 2001
%E A064168 More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Nov 18 2004

    
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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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