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 A333793 #11 Apr 06 2020 18:23:48 %S A333793 0,0,0,0,0,1,1,0,1,3,3,3,3,8,5,0,0,6,6,9,12,18,18,7,9,18,6,22,22,18, %T A333793 18,0,30,15,24,16,16,33,28,21,21,37,37,48,24,69,69,15,37,36,29,48,48, %U A333793 25,54,50,49,77,77,44,44,73,49,0,56,83,83,45,113,75,75,36,36,71,54,87,87,81,81,45,25,84,84,87,57,128,119,108,108,71 %N A333793 a(n) = A333794(n) - A073934(n). %H A333793 Antti Karttunen, <a href="/A333793/b333793.txt">Table of n, a(n) for n = 1..65537</a> %F A333793 a(n) = A333794(n) - A073934(n). %F A333793 a(p) = a(p-1), for all primes p. %F A333793 a(A000079(n)) = a(A019434(n)) = 0, for all applicable n. %o A333793 (PARI) %o A333793 A073934(n) = if(1==n,n,n + A073934(n-(n/vecmin(factor(n)[,1])))); %o A333793 A333794(n) = if(1==n,n,n + A333794(n-(n/vecmax(factor(n)[, 1])))); %o A333793 A333793(n) = (A333794(n)-A073934(n)); %Y A333793 Cf. A000079, A019434, A032742, A052126, A073934, A332904, A333123, A333794. %Y A333793 Partial sums of A333792. %K A333793 nonn %O A333793 1,10 %A A333793 _Antti Karttunen_, Apr 05 2020