0,3

O.g.f.: (1+x)*x/(2*x^3+x^2-1)-1/(2*x-1) . a(n) = -|A078028(n-1)| + 2^n . - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 01 2008

Adjacent sequences: A134267 A134268 A134269 this_sequence A134271 A134272 A134273

Sequence in context: A093575 A080166 A116872 this_sequence A091565 A025249 A109291

nonn

Paul Curtz (bpcrtz(AT)free.fr), Jan 30 2008