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 A064600 #6 Jul 18 2023 19:07:21 %S A064600 5,7,13,37,151,863,6689,67139,843377,12903181 %N A064600 a(n) indicates the position of 5 after n iterations of A064553. %C A064600 Iterating A064553 spreads the primes further and further apart, although 2 and 3 are fixed. For k < a(n) the n-th iteration of A064553 equals A003586. %H A064600 Sean A. Irvine, <a href="https://github.com/archmageirvine/joeis/blob/master/src/irvine/oeis/a064/A064600.java">Java program</a> (github) %F A064600 a(0) = 5 and a(n) = A000040(a(n - 1) - 1) for n > 0. %e A064600 a(3) = 37 as A064553(A064553(A064553(37))) = A064553(A064553(13)) = A064553(7) = 5. %Y A064600 Cf. A064558, A000040, A064553, A003586, A064557, A064601. %K A064600 more,nonn %O A064600 0,1 %A A064600 _Reinhard Zumkeller_, Sep 22 2001 %E A064600 a(9) from _Sean A. Irvine_, Jul 18 2023