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 A091744 #4 Sep 26 2012 05:07:23 %S A091744 25,9684,2263474,490886452,111812888083,27999019489624, %T A091744 7844432790401028,2473024180429410040,877529810239038245325, %U A091744 349669921564112871530060,155914953071171948587819830,77481281483613804213513143564 %N A091744 Fourth column (m=3) of triangle A060063 divided by 9. %K A091744 nonn,easy %O A091744 3,1 %A A091744 _Wolfdieter Lang_, Feb 13 2004