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 A266925 #8 Feb 07 2016 21:40:06 %S A266925 1,1,2,3,6,9,18,31,61,107,207,378,724,1333,2537,4723,8938,16674,31455, %T A266925 58805,110642,206849,388444,726236,1361766,2544568,4765466,8900805, %U A266925 16652803,31085427,58108482,108417265,202517545,377659515,704989607,1314105907,2451689503,4568030529 %N A266925 Number of unrooted self-avoiding walks of n steps on honeycomb lattice. %Y A266925 Asymptotically approaches (1/12) * A001668. %K A266925 nonn,walk %O A266925 1,3 %A A266925 _Luca Petrone_, Jan 06 2016