G.f. A(x) satisfies: A(x) = x * (1 + A(x))^3 / (1 - 3 * A(x)).
A365816
G.f. A(x) satisfies: A(x) = x * (1 + A(x))^3 / (1 - 3 * A(x)).
Terms
- a(0) =0a(1) =1a(2) =6a(3) =57a(4) =658a(5) =8442a(6) =115692a(7) =1658505a(8) =24565530a(9) =372999198a(10) =5774883348a(11) =90821581578
External references
- oeis: A365816