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 A095657 #10 Jan 31 2015 00:21:05 %S A095657 1,-36,1410,-66132,3699531,-243652552,18663547812,-1645181597880, %T A095657 165358218423381,-18798313917019868,2399880945858805926, %U A095657 -341881241933228090220,54038106872826560500575,-9428302924156701986153760,1807402648330738178213456072 %N A095657 Ninth column of Salié-triangle A065547. %F A095657 a(n) = A065547(n+8, 8), n>=0. %Y A095657 Cf. A065547. %K A095657 sign,easy %O A095657 0,2 %A A095657 _Wolfdieter Lang_, Jun 11 2004