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 A054438 #3 Mar 30 2012 18:51:20 %S A054438 0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,2,3,1,0,0,0,0,1,1,0,0,0,0,0,0,0,4,5, %T A054438 7,6,3,2,0,1,1,0,0,0,0,1,3,2,2,3,1,0,0,0,0,1,1,0,0,0,0,0,0,0,8,9,11, %U A054438 10,15,14,12,13,7,6,4,5,0,1,3,2,2,3,1,0,0,0,0,1,1,0,2,3,6,7,5,4,4,5,7,6,3 %N A054438 Third derivative of n. %Y A054438 Cf. A038554, A038570, A038571. %K A054438 nonn %O A054438 0,17 %A A054438 _Henry Bottomley_, May 11 2000