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 A114303 #5 Aug 08 2015 23:58:42 %S A114303 2,1,2,7,60,1705,445466,7105778862 %N A114303 Number of sweet Boolean functions of n variables that depend on all the variables. %F A114303 Inverse binomial transform of A114302. %Y A114303 Cf. A114302, A114492, A114572. %K A114303 nonn %O A114303 0,1 %A A114303 _Don Knuth_, Aug 16 2008