%I A033980
%S A033980 1,50,25,1226,613,30038,15019,735932,367966,183983,9015168,
%T A033980 4507584,2253792,1126896,563448,281724,140862,70431,3451120,
%U A033980 1725560,862780,431390,215695,10569056,5284528,2642264
%N A033980 Trajectory of 1 under map n->49n+1 if n odd, n->n/2 if n even
%Y A033980 Sequence in context: A072460 A033370 A090691 this_sequence A165871 A078289 
               A043618
%Y A033980 Adjacent sequences: A033977 A033978 A033979 this_sequence A033981 A033982 
               A033983
%K A033980 nonn
%O A033980 0,2
%A A033980 N. J. A. Sloane (njas(AT)research.att.com).