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

Terms

a(0) =1a(1) =2a(2) =5a(3) =16a(4) =61a(5) =256a(6) =1133a(7) =5191a(8) =24403a(9) =117066a(10) =570835a(11) =2821026a(12) =14097839a(13) =71121660a(14) =361718339a(15) =1852640518a(16) =9547375955a(17) =49469352300a(18) =257564997407