Search: id:A008901
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%I A008901
%S A008901 90,45,134,67,200,100,50,25,74,37,110,55,164,82,41,122,
%T A008901 61,182,91,272,136,68,34,17,50,25,74,37,110,55,164,82,41,
%U A008901 122,61,182,91,272,136,68,34,17,50,25,74,37,110,55,164
%N A008901 x->x/2 if x even, x->3x-1 if x odd.
%D A008901 R. K. Guy, Unsolved Problems in Number Theory, E16.
%Y A008901 Sequence in context: A052999 A050662 A033410 this_sequence A161823 A012861 
               A003899
%Y A008901 Adjacent sequences: A008898 A008899 A008900 this_sequence A008902 A008903 
               A008904
%K A008901 nonn
%O A008901 0,1
%A A008901 N. J. A. Sloane (njas(AT)research.att.com).

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