1,2

N. J. A. Sloane, Transforms

G.f.: [(1-x)^3(1+x)(1-2x+4x^2-x^3)]/[(1-4x+2x^2-x^3)^3].

Sequence in context: A133426 A163228 A033463 this_sequence A133357 A081675 A081180

Adjacent sequences: A030276 A030277 A030278 this_sequence A030280 A030281 A030282

nonn,nice

Christian G. Bower (bowerc(AT)usa.net)