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 A039616 #10 Oct 06 2017 19:38:24 %S A039616 1,0,7,1,3,2,2,3,1,4,1,5,1,6,2,7,1,8,1,9 %N A039616 Solution to a "self-describing sequence" puzzle of Raphael Robinson. %H A039616 J. Sauerberg and L. Shu, <a href="http://www.jstor.org/stable/2974579">The long and the short on counting sequences</a>, Amer. Math. Monthly, 104 (1997), 306-317. %Y A039616 Cf. A039617. %K A039616 nonn,fini,full %O A039616 0,3 %A A039616 _N. J. A. Sloane_ %E A039616 Corrected by _Eric Angelini_, Jul 05 2005