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%I #4 Oct 12 2013 15:29:00
%S 1,5,6,7,7,7,7,7,7,7,7,7,11,7,7,11,7,7,7,11,11,7,7,13,11,7,17,7,13,7,
%T 7,7,7,7,13,11,7,7,17,7,23,11,13,7,7,13,19,17,7,7,7,13,7,7,7,19,19,7,
%U 13,7,7,23,7,7,7,7,11,7,13,13,11,7,17,7,7,23,7,7,7,7,19,41,7
%N Start with n; if prime, skip; repeatedly sum prime factors (counted with multiplicity) and add 1, until reach 1, 6 or a prime.
%e 20 -> 2+2+5+1 = 10 -> 2+5+1 = 8 -> 2+2+2+1 = 7.
%Y Cf. A029910.
%K nonn
%O 1,2
%A _Dann Toliver_
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