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 A099057 #6 Mar 30 2012 17:36:53 %S A099057 6,496,33550336,137438691328,2658455991569831744654692615953842176, %T A099057 13164036458569648337239753460458722910223472318386943117783728128 %N A099057 A bisection of A000396. %C A099057 The next term is too large to include. - _Joshua Zucker_, May 12 2006 %K A099057 nonn %O A099057 0,1 %A A099057 _N. J. A. Sloane_, Nov 15 2004 %E A099057 More terms from _Joshua Zucker_, May 12 2006