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

Terms

a(0) =1a(1) =0a(2) =2a(3) =2a(4) =13a(5) =28a(6) =127a(7) =376a(8) =1522a(9) =5210a(10) =20403a(11) =74952a(12) =292313a(13) =1114704a(14) =4371839a(15) =17040586a(16) =67378981a(17) =266402370a(18) =1061919289a(19) =4241539218a(20) =17030430061a(21) =68554148388a(22) =276988107861