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 A334197 #15 May 01 2020 12:10:56 %S A334197 1,2,33,129,1081,2049,9233,33793,458753,2015233,3932161,33554945, %T A334197 188743681 %N A334197 Positions of records in A334090; After 1, positions of record jumps upward in A064097. %C A334197 Terms a(3) .. a(11) are squarefree semiprimes, but 33554945 = 5 * 47 * 142787. %C A334197 Records themselves are: 0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13. %o A334197 (PARI) %o A334197 A064097(n) = if(1==n,0,1+A064097(n-(n/vecmin(factor(n)[,1])))); %o A334197 m=0; prev=-1; for(n=1,2^26,t=A064097(n); if((t-prev)>m,m=t-prev;print1(n,", ")); prev=t); %Y A334197 Cf. A064097, A334090. %K A334197 nonn,more %O A334197 1,2 %A A334197 _Antti Karttunen_, Apr 18 2020 %E A334197 a(13) from _Jinyuan Wang_, May 01 2020