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

A374570

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

Terms

    a(0) =1a(1) =1a(2) =3a(3) =8a(4) =27a(5) =90a(6) =320a(7) =1152a(8) =4257a(9) =15934a(10) =60486a(11) =231894a(12) =897242a(13) =3497638a(14) =13725678a(15) =54174286a(16) =214923493a(17) =856560918a(18) =3427838222a(19) =13768875142a(20) =55494305328a(21) =224359469870a(22) =909656736876

External references