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 A080484 #2 Dec 05 2013 19:56:00 %S A080484 0,7,181,3292,471040370,67306057205,9087508077407,1178111077100976, %T A080484 148114138013127912,18178417168316158215,2188212087201986191885, %U A080484 259225249124239023228922,30299629289528279427269326 %N A080484 A080483(n)/3. %Y A080484 Cf. A080481, A080482, A080483. %K A080484 base,easy,nonn %O A080484 1,2 %A A080484 _Amarnath Murthy_, Mar 11 2003 %E A080484 Next term has 841 digits. %E A080484 Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003