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

Terms

a(0) =1a(1) =2a(2) =1a(3) =-4a(4) =-9a(5) =-2a(6) =25a(7) =48a(8) =3a(9) =-142a(10) =-243a(11) =36a(12) =807a(13) =1222a(14) =-463a(15) =-4520a(16) =-6037a(17) =3930a(18) =25045a(19) =29260a(20) =-28689a(21) =-137298a(22) =-138439a(23) =193536a(24) =745011a(25) =634818a(26) =-1242275a(27) =-4001932a(28) =-2787017a(29) =7701398