G.f. A(x) satisfies: A(x - 3*x*A(x)) = x - x*A(x).
A291816
G.f. A(x) satisfies: A(x - 3*x*A(x)) = x - x*A(x).
Terms
- a(0) =1a(1) =2a(2) =16a(3) =182a(4) =2524a(5) =39992a(6) =699520a(7) =13231034a(8) =266985280a(9) =5694001172a(10) =127481465536
External references
- oeis: A291816