Expansion of (1/x) * Series_Reversion( x / (1 + x^2 / (1 - x)^5) ).

Terms

a(0) =1a(1) =0a(2) =1a(3) =5a(4) =17a(5) =60a(6) =240a(7) =1001a(8) =4204a(9) =17919a(10) =77762a(11) =341990a(12) =1518913a(13) =6804421a(14) =30718935a(15) =139616100a(16) =638261250a(17) =2932960734a(18) =13540120577a(19) =62768552380a(20) =292070800676