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 A094169 #10 Oct 07 2017 03:09:33 %S A094169 1,8,60,440,3230,23688,173796,1275240,9359748,68708320,504466468, %T A094169 3704376384,27205146592 %N A094169 Number of rooted 2-dimensional polyominoes with n octagonal cells, with no symmetries removed. %D A094169 Dan Hoey, Bill Gosper and Richard C. Schroeppel, Discussions in Math-Fun Mailing list, circa Jul 13 1999. %H A094169 Daniel J. Heath and R. Robert Rdyberg, III, <a href="https://dx.doi.org/10.4169/math.mag.90.2.135">On Polyominoes and Digital Cameras</a>, Mathematics Magazine, Vol. 90, No. 2 (April 2017), pp. 135-141. %H A094169 R. C. Schroeppel, <a href="http://www.experimentalmath.info/workshop2004/schroeppel-talk.pdf">A few mathematical experiments</a> %Y A094169 A row of A094166. %K A094169 nonn %O A094169 1,2 %A A094169 _N. J. A. Sloane_, May 06 2004