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

Terms

a(0) =1a(1) =0a(2) =1a(3) =2a(4) =4a(5) =14a(6) =36a(7) =108a(8) =335a(9) =1012a(10) =3211a(11) =10192a(12) =32683a(13) =106216a(14) =346800a(15) =1141482a(16) =3779784a(17) =12577620a(18) =42064286a(19) =141258502a(20) =476183950a(21) =1610841570a(22) =5466208800a(23) =18602676690a(24) =63476386506a(25) =217122438096a(26) =744346687756