Search: id:A057958
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%I A057958
%S A057958 1,3,2,5,3,5,2,7,3,6,3,8,2,5,5,10,3,8,3,10,4,7,3,11,5,5,6,9,4,11,4,12,
%T A057958 5,8,6,12,3,7,7,13,4,11,3,11,9,6,5,17,7,10,6,9,4,13,8,13,7,9,3,17,3,8,
%U A057958 6,14,7,12,4,12,6,11,2,16,5,8,10,11,7,15,4,18,9,8,5,18,7,6,8,16,4,19,5
%N A057958 Number of prime factors of 3^n - 1 (counted with multiplicity).
%H A057958 S. S. Wagstaff, Jr., <a href="http://www.cerias.purdue.edu/homes/ssw/
               cun/main600">Main Tables</a> from the Cunningham Project.
%H A057958 S. S. Wagstaff, Jr., <a href="http://www.cerias.purdue.edu/homes/ssw/
               cun/index.html">The Cunningham Project</a>
%F A057958 Mobius transform of A085028 - T. D. Noe (noe(AT)sspectra.com), Jun 19 
               2003
%Y A057958 Cf. A057951-A057958, A046051.
%Y A057958 Cf. A085028.
%Y A057958 Sequence in context: A130299 A143309 A155981 this_sequence A057953 A129231 
               A166477
%Y A057958 Adjacent sequences: A057955 A057956 A057957 this_sequence A057959 A057960 
               A057961
%K A057958 nonn
%O A057958 0,2
%A A057958 Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.

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