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

Terms

a(0) =1a(1) =-1a(2) =4a(3) =-10a(4) =34a(5) =-94a(6) =298a(7) =-862a(8) =2650a(9) =-7822a(10) =23722a(11) =-70654a(12) =212986a(13) =-636910a(14) =1914826a(15) =-5736286a(16) =17225242a(17) =-51642958a(18) =154994410a(19) =-464852158a(20) =1394818618a(21) =-4183931566a(22) =12552843274a(23) =-37656432670a(24) =112973492314a(25) =-338912088334