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

0,9

Links

Table of n, a(n) for n=0..94.

Crossrefs

Partial sums give A014081.

Sequence in context: A273513 A330005 A165277 * A351555 A215020 A103612

Adjacent sequences: A245191 A245192 A245193 * A245195 A245196 A245197

Keyword

sign

Author

N. J. A. Sloane, Jul 23 2014

Status

approved