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 A334203 #6 May 13 2020 18:59:29 %S A334203 0,0,0,1,0,2,0,2,2,3,0,3,0,4,3,3,0,4,0,4,4,5,0,4,3,5,4,5,0,5,0,4,5,5, %T A334203 4,5,0,6,5,5,0,6,0,6,5,7,0,5,4,6,5,6,0,6,5,6,6,7,0,6,0,7,6,5,5,7,0,6, %U A334203 7,7,0,6,0,7,6,7,5,7,0,6,6,7,0,7,5,8,7,7,0,7,5,8,7,9,6,6,0,8,7,7,0,7,0,7,7 %N A334203 a(n) = A064097(A032742(n)). %H A334203 Antti Karttunen, <a href="/A334203/b334203.txt">Table of n, a(n) for n = 1..65537</a> %F A334203 a(n) = A064097(A032742(n)) = A064097(n/A020639(n)). %o A334203 (PARI) %o A334203 A032742(n) = if(1==n,n,n/vecmin(factor(n)[,1])); %o A334203 A060681(n) = (n-if(1==n,n,n/vecmin(factor(n)[,1]))); %o A334203 A064097(n) = if(1==n,0,1+A064097(A060681(n))); %o A334203 A334203(n) = A064097(A032742(n)); %Y A334203 Cf. A020639, A032742, A060681, A064097, A323077. %K A334203 nonn %O A334203 1,6 %A A334203 _Antti Karttunen_, May 13 2020