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 A234595 #8 Aug 06 2015 17:40:36 %S A234595 1,1,4,23,256,4647,128262,5128503 %N A234595 Number of elementary sequences of length n, where permutations of the components are taken into account. %D A234595 Fishburn, Peter C.; Roberts, Fred S., Uniqueness in finite measurement. Applications of combinatorics and graph theory to the biological and social sciences, 103--137, IMA Vol. Math. Appl., 17, Springer, New York, 1989. MR1009374 (90e:92099) %H A234595 Fishburn, Peter C.; Roberts, Fred S., <a href="/A005269/a005269.pdf">Uniqueness in finite measurement</a>, in Applications of combinatorics and graph theory to the biological and social sciences, 103--137, IMA Vol. Math. Appl., 17, Springer, New York, 1989. MR1009374 (90e:92099). [Annotated scan of five pages only] %Y A234595 Sequences in the Fishburn-Roberts (1989) article: A005269, A005268, A234595, A005272, A003513, A008926. %K A234595 nonn,more %O A234595 1,3 %A A234595 _N. J. A. Sloane_, Jan 04 2014