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%I #7 Aug 11 2024 14:41:30
%S 9,3,3,3,11,311
%N Trajectory of 9 under prime factor concatenation procedure.
%H P. De Geest, <a href="https://www.worldofnumbers.com/topic1.htm">Home Primes</a>
%e 9 -> 3,3 -> 3,11 -> 311
%Y Cf. A037274, A037273.
%K fini,full,nonn,tabf,base
%O 1,1
%A _Jeff Burch_
%E Edited by _Charles R Greathouse IV_, Apr 30 2010