Expansion of (1-x-2*x^2) / (1-6*x+3*x^2-2*x^3).

Terms

a(0) =1a(1) =5a(2) =25a(3) =137a(4) =757a(5) =4181a(6) =23089a(7) =127505a(8) =704125a(9) =3888413a(10) =21473113a(11) =118581689a(12) =654847621a(13) =3616286885a(14) =19970341825a(15) =110282885537a(16) =609018861517