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Search: id:A078572
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%I A078572
%S A078572 2,1,1,1,1,1,1,2,1,2,1,1,1,1,1,1,1,1,1,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,1,
%T A078572 1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
%U A078572 1,1,1,4,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1
%N A078572 Minimal exponent in prime factorization of the average of n-th twin prime 
               pair.
%C A078572 a(n)=A051904(A014574(n)).
%e A078572 10-th twin prime pair = (A001359(10), A006512(10)) = (107,109), hence 
               A014574(10) = 108 = 2^2 * 3^2, therefore a(10) = 2.
%Y A078572 Cf. A078571, A078572.
%Y A078572 Sequence in context: A120336 A039738 A075774 this_sequence A122750 A030421 
               A085021
%Y A078572 Adjacent sequences: A078569 A078570 A078571 this_sequence A078573 A078574 
               A078575
%K A078572 nonn
%O A078572 1,1
%A A078572 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 29 2002

    
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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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