Expansion of g.f. A(x) satisfying A( A(x) - C(x) ) = x^2, where C(x) = x + C(x)^2 is the Catalan function (A000108).

A373310

Expansion of g.f. A(x) satisfying A( A(x) - C(x) ) = x^2, where C(x) = x + C(x)^2 is the Catalan function (A000108).

Terms

    a(0) =1a(1) =2a(2) =2a(3) =3a(4) =14a(5) =48a(6) =132a(7) =406a(8) =1430a(9) =4952a(10) =16796a(11) =58416a(12) =208012a(13) =744468a(14) =2674440a(15) =9688043a(16) =35357670a(17) =129674822a(18) =477638700a(19) =1767128768a(20) =6564120420a(21) =24466875156a(22) =91482563640a(23) =343056839170

External references