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

Terms

a(0) =1a(1) =2a(2) =6a(3) =21a(4) =79a(5) =308a(6) =1219a(7) =4826a(8) =18857a(9) =71574a(10) =257553a(11) =837114a(12) =2140496a(13) =1379550a(14) =-35589730a(15) =-370646635a(16) =-2719034151a(17) =-17429175486a(18) =-103771133876a(19) =-588804389677