%I A049643
%S A049643 0,2,3,5,7,11,13,19,23,29,33,43,47,59,65,73,81,97,103,121,129,141,
%T A049643 151,173,181,201,213,231,243,271,279,309,325,345,361,385,397,433,
%U A049643 451,475,491,531,543,585,605,629,651,697,713,755,775,807,831,883
%N A049643 Fractions in Farey series of order n.
%D A049643 R. K. Guy, The strong law of small numbers. Amer. Math. Monthly 95 (1988), 
               no. 8, 697-712.
%Y A049643 A049643(n)=A049641(2n). Essentially the same as A005728.
%Y A049643 Sequence in context: A152900 A079151 A005728 this_sequence A050437 A096246 
               A106639
%Y A049643 Adjacent sequences: A049640 A049641 A049642 this_sequence A049644 A049645 
               A049646
%K A049643 nonn,easy,nice
%O A049643 0,2
%A A049643 Clark Kimberling (ck6(AT)evansville.edu)