This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A053093 #12 Feb 19 2024 01:59:02 %S A053093 8,16,27,58,104,150,186,256,324,378,576,636,805,1470,1520,1564,1612, %T A053093 3478,3864,8022,9996,10548,11573,11946,12006,13587,13640,15156,20504, %U A053093 21204,21252,24017,24080,25823,27989,30067,30866,31165,31212,47628 %N A053093 Smallest composite which when sum of prime factors is repeatedly subtracted reaches a prime after n iterations. %H A053093 Paolo P. Lava, <a href="/A053093/b053093.txt">Table of n, a(n) for n = 1..100</a> %e A053093 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 A053093 A050710, A053094. %K A053093 nonn %O A053093 1,1 %A A053093 _Enoch Haga_, Feb 28 2000