%I #3 Apr 30 2014 01:31:03
%S 0,1,1,-2,5,-4,-2,8,-3,-2,6,-10,2,14,-20,8,29,-50,34,20,-90,110,-32,
%T -114,210,-154,-64,322,-380,88,408,-712,477,350,-1206,1228,-34,-1738,
%U 2604,-1276,-1978,4798,-4160,-902,7452,-9712,3428,9166,-18574,14022,6456,-29990,34780
%N n times the coefficient of x^n in log[1 + sum(k>=0, x^2^k)].
%o (PARI) a(n)=n*polcoeff(log(1+sum(k=0,8,x^(2^k))+O(x^257)),n)
%Y Cf. A036987.
%K sign
%O 0,4
%A _Ralf Stephan_, Mar 24 2004