G.f. satisfies: A(x) = exp( Sum_{n>=1} [Sum_{d|n} A(n*x/d)^d/d]*x^n ).

A162286

G.f. satisfies: A(x) = exp( Sum_{n>=1} [Sum_{d|n} A(n*x/d)^d/d]*x^n ).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =10a(4) =43a(5) =232a(6) =1658a(7) =16041a(8) =214998a(9) =4034263a(10) =106718470a(11) =3996978281a(12) =212525227794

External references