cp's OEIS Frontend

A181911 The value of r at the onset of the first period-13 cycle of the logistic map f(x) = r*x*(1 - x).

%I A181911 #15 Apr 02 2012 23:06:32
%S A181911 3,6,7,9,7,0,2,4,5,7,7,6,5,9,1,8,4,2,3,2,0,8,6,0,0,8,4,9,2,9,7,6,2,1,
%T A181911 2,2,9,3,1,7,9,7,0,2,7,5,2,5,8,3,7,0,0,0,3,9,2,9,5,9,4,3,8,3,2,5,9,7,
%U A181911 2,2,4,5,6,7,3,1,7,0,1,8,5,4,3,3,1,5,8,8,6,9,1,1,2,2,9,7,5,6,5,2
%N A181911 The value of r at the onset of the first period-13 cycle of the logistic map f(x) = r*x*(1 - x).
%C A181911 Root of a degree 4083*2 = 9166 polynomial.
%H A181911 Cheng Zhang, <a href="/A181911/a181911.txt">the polynomial for T = r*(r-2)</a>
%e A181911 3.6797024577659...
%Y A181911 Cf. A086178, A086179, A086180, A086181, A091517, A118452, A118453, A118746, A181906, A181907, A181909, A181910, A181912, A181913, A181915, A181916, A181917, A181918, A181919
%K A181911 nonn,cons
%O A181911 1,1
%A A181911 _Cheng Zhang_, Apr 01 2012