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 A037941 #11 Dec 28 2020 02:48:39 %S A037941 48,2,2,2,2,3,71,313,3,11,2161,3,13,199,401,19,43,109,3517,11,17,109, %T A037941 877,1087,23,1481,7039,46591,3,3,7,53,67,1034726207,3, %U A037941 11251223678242069,23,4583,2952795526741,359,5782291,1130063089 %N A037941 Trajectory of 48 under prime factor concatenation procedure. %H A037941 Sean A. Irvine, <a href="/A037941/b037941.txt">Table of n, a(n) for n = 0..54</a> %H A037941 Patrick De Geest, <a href="http://www.worldofnumbers.com/topic1.htm">Home Primes</a> %e A037941 48 = 2*2*2*2*3, so the next terms are 2,2,2,2,3; 22223 = 71*313, so the next terms are 71, 313; 71313 = 3*11*2161, so then we get 3, 11, 2161; etc. %Y A037941 Cf. A037273. %K A037941 fini,full,nonn,tabf,base %O A037941 0,1 %A A037941 _Jeff Burch_ %E A037941 Edited by _Charles R Greathouse IV_, Apr 30 2010