Expansion of 1/sqrt(1 - 2*x + 9*x^2).

Terms

a(0) =1a(1) =1a(2) =-3a(3) =-11a(4) =1a(5) =81a(6) =141a(7) =-363a(8) =-1791a(9) =-479a(10) =13597a(11) =29877a(12) =-54911a(13) =-353807a(14) =-223443a(15) =2539989a(16) =6806529a(17) =-8302527a(18) =-73999299a(19) =-73313931a(20) =489731841a(21) =1584548241a(22) =-1110170163a(23) =-15812965611a(24) =-21391839999a(25) =94696016481