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

Terms

a(0) =1a(1) =0a(2) =-2a(3) =-2a(4) =9a(5) =24a(6) =-37a(7) =-240a(8) =-2a(9) =2126a(10) =2919a(11) =-16052a(12) =-50663a(13) =86940a(14) =631995a(15) =19094a(16) =-6491463a(17) =-9595434a(18) =54443985a(19) =181532910a(20) =-317331187a(21) =-2426618056a(22) =-133151895a(23) =26332109928a(24) =40544827703a(25) =-230619508548a(26) =-793966990358a(29) =881359815524