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

Terms

a(0) =1a(1) =-1a(2) =5a(3) =-1a(4) =29a(5) =23a(6) =197a(7) =335a(8) =1517a(9) =3527a(10) =12629a(11) =33791a(12) =109565a(13) =312311a(14) =969701a(15) =2843567a(16) =8661773a(17) =25723175a(18) =77693813a(19) =232032863a(20) =698195741a(21) =2090392919a(22) =6279567365a(23) =18821924879a(24) =56499329069a(25) =169430878343a(26) =508426852757