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Search: id:A039649
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%I A039649
%S A039649 2,2,3,3,5,3,7,5,7,5,11,5,13,7,9,9,17,7,19,9,13,11,23,9,21,13,19,13,29,
%T A039649 9,31,17,21,17,25,13,37,19,25,17,41,13,43,21,25,23,47,17,43,21,33,25,
%U A039649 53,19,41,25,37,29,59,17,61,31,37,33,49,21,67,33,45,25,71,25,73,37,41
%N A039649 phi(n)+1.
%C A039649 a(p) = p for p prime
%C A039649 a(n) is also phi(n) plus smallest divisors of n. [From Juri-Stepan Gerasimov 
               (2stepan(AT)rambler.ru), Oct 07 2009]
%F A039649 a(n)=A000010(n)+A000012(n). {from Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), 
               Oct 07 2009]
%Y A039649 Cf. A000010, A039650-A039656.
%Y A039649 Sequence in context: A102347 A069974 A039650 this_sequence A113605 A070230 
               A007150
%Y A039649 Adjacent sequences: A039646 A039647 A039648 this_sequence A039650 A039651 
               A039652
%K A039649 nonn
%O A039649 1,1
%A A039649 David W. Wilson (davidwwilson(AT)comcast.net)

    
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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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