Search: id:A008903
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%I A008903
%S A008903 100,50,25,74,37,110,55,164,82,41,122,61,182,91,272,136,
%T A008903 68,34,17,50,25,74,37,110,55,164,82,41,122,61,182,91,272,
%U A008903 136,68,34,17,50,25,74,37,110,55,164,82,41,122,61,182,91
%N A008903 x->x/2 if x even, x->3x-1 if x odd.
%D A008903 R. K. Guy, Unsolved Problems in Number Theory, E16.
%F A008903 a(n)=A003124(n), n>0. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               May 26 2008
%Y A008903 Sequence in context: A084472 A077489 A153674 this_sequence A033420 A020993 
               A115020
%Y A008903 Adjacent sequences: A008900 A008901 A008902 this_sequence A008904 A008905 
               A008906
%K A008903 nonn
%O A008903 0,1
%A A008903 N. J. A. Sloane (njas(AT)research.att.com).

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