%I
%S 1,2,1,1,1,1,1,1,1,3,1,1,3,1,1,1,1,3,1,1,1,5,1,1,15,17,
%T 1,1,17,15,1,1,15,13,3,3,13,19,3,3,19,37,15,15,37,113,15,
%U 15,113,111,17,17,111,467,17,17,467,465,1,1,31,1
%N Numerators of coefficients of x^2 in continued fraction expansion of A106400.
%C Corresponding denominators are A186028.
%H GuoNiu Han, <a href="https://doi.org/10.1016/j.jnt.2014.07.022">Hankel determinant calculus for the ThueMorse and related sequences</a>, Journal of Number Theory, Volume 147, February 2015, Pages 374395. See vn p. 376.
%Y Cf. A186026, A186028.
%K sign
%O 0,2
%A _Paul Barry_, Feb 10 2011
%E a(0)=1 inserted by _Michel Marcus_, May 16 2020
