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%I #7 Jun 15 2022 15:55:54
%S 20,2,2,5,3,3,5,5,5,11,61,11,4651,3,3,12739,17,194867,19,41,22073,709,
%T 273797,3,97,137,17791,11,3610337981,7,3391,4786213,3,3,3,3,7,23,31,
%U 1815403,13,17,23,655857429041,3,31,8308475676071413
%N Trajectory of 20 under prime factor concatenation procedure.
%H P. De Geest, <a href="http://www.worldofnumbers.com/topic1.htm">Home Primes</a>
%Y Cf. A037273.
%K fini,full,nonn,tabf,base
%O 0,1
%A _Jeff Burch_
%E Edited by _Charles R Greathouse IV_, Apr 30 2010
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