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 A165958 #4 Sep 10 2011 23:01:21 %S A165958 0,3,2,1,6,5,4,9,8,7 %N A165958 The digits on a number pad from lower right to upper left. %C A165958 Similar to A113655. Used the same method as A114514. %K A165958 fini,full,nonn,base,less %O A165958 1,2 %A A165958 Tyler Bourque (nuyashaki(AT)gmail.com), Oct 01 2009