G.f. A(x) = 1 / (1 - x^a(0) / (1 - x^a(1) / (1 - x^a(2) / ... ))).

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =9a(5) =20a(6) =45a(7) =101a(8) =228a(9) =514a(10) =1160a(11) =2617a(12) =5906a(13) =13327a(14) =30075a(15) =67868a(16) =153156a(17) =345621a(18) =779953a(19) =1760094a(20) =3971951a(21) =8963378a(22) =20227382a(23) =45646511a(24) =103009086a(25) =232457449a(26) =524579615a(27) =1183802763a(28) =2671451479a(29) =6028582814