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 A007119 M0892 #14 Mar 30 2012 18:36:10 %S A007119 1,0,-2,-3,8,40,-20,-651,-1160,10872,53102,-213235,-2765684,-4784988, %T A007119 42740178,-433914495,-15184673712,-207885336400,-2790244125426, %U A007119 -48660847539651,-950341379177012,-18783035394110820 %N A007119 Expansion of (1-x)^sin(x). %D A007119 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %K A007119 sign,easy %O A007119 0,3 %A A007119 _Simon Plouffe_