%I A037921
%S A037921 9,3,3,3,11,311
%N A037921 Trajectory of 9 under prime factor concatenation procedure.
%H A037921 P. De Geest, <a href="http://www.worldofnumbers.com/topic1.htm">Home 
               Primes</a>
%e A037921 9 -> 3,3 -> 3,11 -> 311
%Y A037921 Cf. A037274, A037273.
%Y A037921 Sequence in context: A011112 A138064 A063569 this_sequence A019878 A097902 
               A139425
%Y A037921 Adjacent sequences: A037918 A037919 A037920 this_sequence A037922 A037923 
               A037924
%K A037921 fini,full,nonn,tabf
%O A037921 1,1
%A A037921 Jeff Burch (gburch(AT)erols.com)