G.f. A(x) satisfies: A(x) = 1+x + x^2*[d/dx A(x)^3].
A218223
G.f. A(x) satisfies: A(x) = 1+x + x^2*[d/dx A(x)^3].
Terms
- a(0) =1a(1) =1a(2) =3a(3) =24a(4) =273a(5) =3996a(6) =70785a(7) =1465506a(8) =34662222a(9) =921511944a(10) =27201024639a(11) =882828325530
External references
- oeis: A218223