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

Terms

a(0) =1a(1) =1a(2) =1a(3) =0a(4) =-5a(5) =-21a(6) =-59a(7) =-117a(8) =-96a(9) =473a(10) =3065a(11) =10946a(12) =27425a(13) =39787a(14) =-46771a(15) =-598587a(16) =-2607973a(17) =-7726692a(18) =-15044242a(19) =-3990122a(20) =123643981a(21) =680120511a(22) =2337866969a(23) =5550672915a(24) =6054525814a(25) =-23115014733a(26) =-181704066985a(27) =-726923651722