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

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =5a(5) =11a(6) =25a(7) =63a(8) =162a(9) =415a(10) =1085a(11) =2896a(12) =7795a(13) =21127a(14) =57785a(15) =159253a(16) =441351a(17) =1229506a(18) =3442150a(19) =9678358a(20) =27315923a(21) =77364683a(22) =219815829a(23) =626375327a(24) =1789627564a(25) =5125729137a(26) =14714078483a(27) =42327358520a(28) =121998755959a(29) =352272227623