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 A037937 #8 Aug 11 2024 14:41:31 %S A037937 40,2,2,2,5,5,5,89,3,3,3,3,3,23,7,7,59,1153,29,2675557,3,31,3147049, %T A037937 809,1409,4019,3,53639,502807,3,31,41,92745739,3314192745739 %N A037937 Trajectory of 40 under prime factor concatenation procedure. %H A037937 P. De Geest, <a href="https://www.worldofnumbers.com/topic1.htm">Home Primes</a> %Y A037937 Cf. A037273. %K A037937 fini,full,nonn,tabf,base %O A037937 0,1 %A A037937 _Jeff Burch_ %E A037937 Edited by _Charles R Greathouse IV_, Apr 30 2010