A245194 - OEIS

%I #3 Jul 23 2014 16:26:58

%S 0,0,0,1,-1,0,1,1,-2,0,0,1,0,0,1,1,-3,0,0,1,-1,0,1,1,-1,0,0,1,0,0,1,1,

%T -4,0,0,1,-1,0,1,1,-2,0,0,1,0,0,1,1,-2,0,0,1,-1,0,1,1,-1,0,0,1,0,0,1,

%U 1,-5,0,0,1,-1,0,1,1,-2,0,0,1,0,0,1,1,-3,0,0,1,-1,0,1,1,-1,0,0,1,0,0,1

%N G.f.: Sum_{k>=0} t^3/((1+t)*(1+t^2)), where t=x^(2^k).

%Y Partial sums give A014081.

%K sign

%O 0,9

%A _N. J. A. Sloane_, Jul 23 2014