Expansion of x*(1-x)/((1-2*x)*(1+3*x)).

Terms

a(0) =0a(1) =1a(2) =-2a(3) =8a(4) =-20a(5) =68a(6) =-188a(7) =596a(8) =-1724a(9) =5300a(10) =-15644a(11) =47444a(12) =-141308a(13) =425972a(14) =-1273820a(15) =3829652a(16) =-11472572a(17) =34450484a(18) =-103285916a(19) =309988820a(20) =-929704316a(21) =2789637236a(22) =-8367863132a(23) =25105686548a(24) =-75312865340a(25) =225946984628a(26) =-677824176668