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

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =8a(5) =29a(6) =88a(7) =253a(8) =775a(9) =2575a(10) =8797a(11) =29833a(12) =100635a(13) =342408a(14) =1181727a(15) =4120223a(16) =14435969a(17) =50738813a(18) =179038408a(19) =634696939a(20) =2259677734a(21) =8072923814a(22) =28924907573a(23) =103915759961a(24) =374302237154