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 A050313 #5 Dec 19 2015 13:04:24 %S A050313 1,-10,1,45,-10,1,-65,35,-10,1,-120,-20,35,-10,1,408,-140,-30,35,-10, %T A050313 1,-43,223,-95,-30,35,-10,1,-703,180,203,-105,-30,35,-10,1,210,-403, %U A050313 -15,248,-105,-30,35,-10,1,683,-413,-80,-35,238,-105,-30,35,-10,1,243 %N A050313 Matrix 10th power of inverse partition triangle A038498. %e A050313 1; -10,1; 45,-10,1; -65,35,-10,1; ... %Y A050313 Cf. A050305-A050312. %K A050313 sign,tabl %O A050313 1,2 %A A050313 _Christian G. Bower_, Aug 15 1999