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

Terms

a(0) =1a(1) =0a(2) =0a(3) =1a(4) =3a(5) =3a(6) =5a(7) =27a(8) =75a(9) =132a(10) =324a(11) =1131a(12) =3087a(13) =7080a(14) =19176a(15) =58548a(16) =161082a(17) =417525a(18) =1168699a(19) =3410946a(20) =9525450a(21) =26124550a(22) =74177610a(23) =213755490a(24) =605003256a(25) =1705277691a(26) =4882522041a(27) =14056846708a(28) =40196816748a(29) =114951379620