%I #15 Feb 18 2013 13:12:13

%S 1,1,2,6,26,186,3138,206850,91058098,534571085778,126075037515248882,

%T 6062019374259400059294162,470527304983253008023608694415844658,

%U 1285056632958988628362087081869760004715744193806354

%N a(n) = A073711(2^n-1) for n>=0.

%C A073711(2^n) = 1 for n>=0.

%C The g.f. G(x) for A073711 satisfies: G(x) = G(x^2) + x*G(x^2)^2.

%C What is the rate of growth of this sequence?

%Y Cf. A073711.

%K nonn

%O 0,3

%A _Paul D. Hanna_, Feb 18 2013