Expansion of g.f. A(x) satisfying A( x*A(x - x^2) ) = x^2.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =6a(5) =19a(6) =60a(7) =193a(8) =636a(9) =2141a(10) =7331a(11) =25451a(12) =89385a(13) =317036a(14) =1134100a(15) =4087104a(16) =14825482a(17) =54088470a(18) =198348985a(19) =730723956a(20) =2703194553a(21) =10037648254a(22) =37399878530a(23) =139785998185a(24) =523962161491