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

Terms

a(0) =1a(1) =1a(2) =2a(3) =8a(4) =29a(5) =105a(6) =414a(7) =1695a(8) =7046a(9) =29853a(10) =128644a(11) =561262a(12) =2474142a(13) =11006108a(14) =49343508a(15) =222715440a(16) =1011217425a(17) =4615519083a(18) =21165513228a(19) =97467424198a(20) =450541090701