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 A181907 #17 Apr 02 2012 20:05:23 %S A181907 3,6,0,5,2,0,8,0,6,6,8,9,3,5,2,9,5,1,3,5,4,7,3,3,6,9,0,5,2,1,2,3,8,9, %T A181907 5,7,7,4,3,4,4,3,8,8,4,9,7,5,4,9,4,6,0,8,2,5,6,3,7,8,9,6,5,7,2,2,9,9, %U A181907 4,2,6,0,6,2,4,5,6,7,5,4,5,5,2,2,6,6,1,3,1,0,2,0,9,3,2,1,9,3,8,1 %N A181907 The value of r at the onset of the first period-10 cycle of the logistic map f(x) = r*x*(1 - x). %C A181907 Root of a degree 472*2 = 944 polynomial. %H A181907 Cheng Zhang, <a href="/A181907/a181907.txt">the polynomial for T = r*(r-2)</a> %e A181907 3.60520806689... %Y A181907 Cf. A086178, A086179, A086180, A086181, A091517, A118452, A181906, A181909, A181910, A181911, A181912, A181913, A181915, A181916, A181917, A181918, A181919. %K A181907 nonn,cons %O A181907 1,1 %A A181907 _Cheng Zhang_, Apr 01 2012