Expansion of (1/x) * Series_Reversion( x * (1 / (1 + x) - x^4) ).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =8a(6) =29a(7) =85a(8) =216a(9) =529a(10) =1393a(11) =4083a(12) =12594a(13) =38446a(14) =113953a(15) =332300a(16) =975253a(17) =2918838a(18) =8886236a(19) =27234516a(20) =83375623a(21) =254664534a(22) =778530177a(23) =2389985106a(24) =7374537938a(25) =22842820639a(26) =70903108970a(27) =220323430866a(28) =685430468527