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 A052340 #8 Jul 25 2019 04:34:31 %S A052340 1,2,3,4,7,24,2552,800516 %N A052340 Record numbers of iterations reached in A050412. %F A052340 a(n) = A050412(A052339(n)). - _Amiram Eldar_, Jul 25 2019 %Y A052340 Cf. A050412, A051914, A052333, A052334, A052339. %K A052340 nonn,more %O A052340 1,2 %A A052340 _Christian G. Bower_, Dec 23 1999 %E A052340 a(8) from the b-file at A050412 added by _Amiram Eldar_, Jul 25 2019