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

Terms

a(0) =1a(1) =0a(2) =2a(3) =4a(4) =15a(5) =52a(6) =192a(7) =732a(8) =2853a(9) =11340a(10) =45756a(11) =186964a(12) =772057a(13) =3216912a(14) =13507936a(15) =57103516a(16) =242831553a(17) =1038056904a(18) =4458248878a(19) =19227639168a(20) =83239247342a(21) =361591141112