0,1

G.f.: 2*(6+5*x+12*x^2+x^3)/((1+x)^2*(1-x)^3) [From Maksym Voznyy (voznyy(AT)mail.ru), Aug 11 2009]

Sequence in context: A153361 A115709 A115703 this_sequence A066458 A101104 A114455

Adjacent sequences: A014630 A014631 A014632 this_sequence A014634 A014635 A014636

nonn

Mohammad K. Azarian (ma3(AT)evansville.edu)

G.f. proposed by Maksym Voznyy checked and corrected by R. J. Mathar, Sep 16 2009.

More terms from Patrick De Geest (pdg(AT)worldofnumbers.com)