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 A283823 #5 Mar 19 2017 14:02:04 %S A283823 1,0,1,1,2,3,7,12,27,55,128,285 %N A283823 Erroneous version of A000676. %C A283823 Included in accordance with OEIS policy of including erroneous but published sequences to serve as pointers to the correct versions. %H A283823 Peter Steinbach, <a href="/A000088/a000088_17.pdf">Field Guide to Simple Graphs, Volume 1</a>, Part 17 (For Volumes 1, 2, 3, 4 of this book see A000088, A008406, A000055, A000664, respectively.) %H A283823 Peter Steinbach, <a href="/A000055/a000055_12.pdf">Field Guide to Simple Graphs, Volume 3</a>, Part 12 (For Volumes 1, 2, 3, 4 of this book see A000088, A008406, A000055, A000664, respectively.) %K A283823 dead %O A283823 1,5 %A A283823 _N. J. A. Sloane_, Mar 19 2017