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

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =5a(6) =11a(7) =21a(8) =40a(9) =84a(10) =190a(11) =429a(12) =944a(13) =2067a(14) =4613a(15) =10505a(16) =24092a(17) =55182a(18) =126444a(19) =291232a(20) =675144a(21) =1571934a(22) =3667774a(23) =8573365a(24) =20090498a(25) =47214710a(26) =111237828a(27) =262587843a(28) =620911708a(29) =1470701157