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 A193338 #5 Mar 31 2012 13:48:31 %S A193338 1,2,3,24,720,2240,3628800,479001600,20922789888000,6402373705728000, %T A193338 1124000727777607680000,304888344611713860501504000000, %U A193338 265252859812191058636308480000000,371993326789901217467999448150835200000000 %N A193338 Record values in A001783. %C A193338 Terms of A001783 which are larger than all preceding terms of that sequence. The corresponding indices are given in A193339. %F A193338 a(n)=A001783(A193339(n)) %o A193338 (PARI) m=0;for(n=1,49,m+0<(m=max(m,A001783(n))) & print1(m", ")) %K A193338 nonn %O A193338 1,2 %A A193338 _M. F. Hasler_, Jul 23 2011