G.f. A(x) satisfies: A(x) = Sum_{n>=0} x^n * (1 + (1+x)^n * A(x))^n.
A301433
G.f. A(x) satisfies: A(x) = Sum_{n>=0} x^n * (1 + (1+x)^n * A(x))^n.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =33a(4) =180a(5) =1071a(6) =6776a(7) =44907a(8) =308903a(9) =2192218a(10) =15986187a(11) =119458754a(12) =913085921a(13) =7130596660a(14) =56856959415a(15) =462789536503
External references
- oeis: A301433