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%I #12 Feb 19 2024 01:59:02
%S 8,16,27,58,104,150,186,256,324,378,576,636,805,1470,1520,1564,1612,
%T 3478,3864,8022,9996,10548,11573,11946,12006,13587,13640,15156,20504,
%U 21204,21252,24017,24080,25823,27989,30067,30866,31165,31212,47628
%N Smallest composite which when sum of prime factors is repeatedly subtracted reaches a prime after n iterations.
%H Paolo P. Lava, <a href="/A053093/b053093.txt">Table of n, a(n) for n = 1..100</a>
%e a(5)=104. Iteration 1: 104=2*2*2*13 and sum of factors is 19; 104-19=85. Iteration 2: 85=5*17; 85-22=63. Iterations 3,4,5 produce 63-13=50, 50-12=38 and 38-21=17, a prime.
%Y A050710, A053094.
%K nonn
%O 1,1
%A _Enoch Haga_, Feb 28 2000