0,2

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

Sequence in context: A042575 A052924 A067324 this_sequence A068593 A112657 A007717

Adjacent sequences: A091699 A091700 A091701 this_sequence A091703 A091704 A091705

nonn

Christian G. Bower (bowerc(AT)usa.net), Jan 29 2004