A245194 G.f.: Sum_{k>=0} t^3/((1+t)*(1+t^2)), where t=x^(2^k).

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, -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, 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

Offset: 0

Author

N. J. A. Sloane, Jul 23 2014

Keywords

• sign

Crossrefs

Partial sums give A014081.