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

Terms

a(0) =1a(1) =2a(2) =5a(3) =15a(4) =52a(5) =198a(6) =797a(7) =3322a(8) =14195a(9) =61848a(10) =273792a(11) =1228131a(12) =5570200a(13) =25501610a(14) =117694557a(15) =546983631a(16) =2557677780a(17) =12024345942a(18) =56801925455a(19) =269483935384