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 A005006 M3785 #19 Oct 26 2023 22:48:21 %S A005006 1,5,9,17,22,34,41,53,61,73 %N A005006 Davenport-Schinzel numbers of degree n on 5 symbols. %D A005006 R. K. Guy, Unsolved Problems in Number Theory, E20. %D A005006 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %D A005006 R. G. Stanton and P. H. Dirksen, Davenport-Schinzel sequences, Ars. Combin., 1 (1976), 43-51. %H A005006 R. G. Stanton and P. H. Dirksen, <a href="/A002004/a002004.pdf">Davenport-Schinzel sequences</a>, Ars. Combin., 1 (1976), 43-51. [Annotated scanned copy] %H A005006 R. G. Stanton and P. H. Dirksen, <a href="/A002004/a002004_1.pdf">Davenport-Schinzel sequences</a>, Ars. Combin., 1 (1976), 43-51. [Annotated scanned copy, different annotations from one above] %Y A005006 A row of the array in A259874. %K A005006 nonn,more %O A005006 1,2 %A A005006 _N. J. A. Sloane_ %E A005006 Title improved by _Sean A. Irvine_, Feb 19 2016