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

Terms

a(0) =1a(1) =0a(2) =1a(3) =2a(4) =3a(5) =10a(6) =23a(7) =56a(8) =158a(9) =408a(10) =1107a(11) =3080a(12) =8459a(13) =23738a(14) =67041a(15) =189826a(16) =542474a(17) =1556384a(18) =4483886a(19) =12980724a(20) =37702175a(21) =109877494a(22) =321244761a(23) =941739370a(24) =2767960714a(25) =8155029040a(26) =24078735995a(27) =71241354600a(28) =211179908565a(29) =627102094350