Expansion of (1/x) * Series_Reversion( x / (1 + x^2 / (1 - x)^3) ).

Terms

a(0) =1a(1) =0a(2) =1a(3) =3a(4) =8a(5) =25a(6) =83a(7) =280a(8) =966a(9) =3402a(10) =12162a(11) =44011a(12) =160941a(13) =593814a(14) =2207816a(15) =8263724a(16) =31112838a(17) =117750432a(18) =447713309a(19) =1709407257a(20) =6551228310a(21) =25192992792a(22) =97181826623a(23) =375944600108