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 A181917 #17 Apr 02 2012 23:07:48 %S A181917 3,6,8,1,7,2,6,6,4,5,6,5,1,7,4,3,5,6,4,8,0,5,1,4,6,6,5,6,0,4,4,1,8,2, %T A181917 7,5,0,4,6,2,3,4,3,9,9,4,9,2,1,3,7,4,4,6,6,1,8,3,8,0,4,4,6,8,2,8,4,3, %U A181917 3,8,6,3,3,7,5,9,4,1,6,0,6,7,3,5,4,7,0,0,0,4,1,0,0,9,3,4,4,2,2,4 %N A181917 The value of r at the bifurcation point of the first period-11 cycle of the logistic map f(x) = r*x*(1 - x). %C A181917 Root of a degree 1023*2 = 2046 polynomial. %H A181917 Cheng Zhang, <a href="/A181917/a181917.txt">the minimal polynomial of T = r*(r-2)</a> %e A181917 3.68172664565... %Y A181917 Cf. A086178, A086179, A086180, A086181, A091517, A118452, A118453, A118746, A181906, A181907, A181909, A181910, A181911, A181912, A181913, A181915, A181916, A181918, A181919. %K A181917 nonn,cons %O A181917 1,1 %A A181917 _Cheng Zhang_, Apr 01 2012