Expansion of (1 - 2*x + 3*x^2)/(1 - 2*x - 3*x^2)^(5/2).

Terms

a(0) =1a(1) =3a(2) =18a(3) =70a(4) =285a(5) =1071a(6) =3948a(7) =14148a(8) =49815a(9) =172645a(10) =590898a(11) =2000934a(12) =6714799a(13) =22358805a(14) =73947240a(15) =243114552a(16) =795083931a(17) =2588073201a(18) =8389033710a(19) =27089339130a(20) =87174634239a(21) =279653734437a(22) =894553405452