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 A034790 N0268 #4 Feb 06 2015 23:13:34 %S A034790 1,1,1,2,3,5,9,18,35,75,159,357,799 %N A034790 Erroneous version of A000602. %D A034790 R. G. Busacker and T. L. Saaty, Finite Graphs and Networks, McGraw-Hill, NY, 1965, p. 201. %D A034790 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %K A034790 dead %O A034790 1,4 %A A034790 _N. J. A. Sloane_, Feb 06 2015