O.g.f. A(x) satisfies: A(x) = 1 + x*Sum_{n>=0} 2^n * log( A(3^n*x) )^n / n!.
A366226
O.g.f. A(x) satisfies: A(x) = 1 + x*Sum_{n>=0} 2^n * log( A(3^n*x) )^n / n!.
Terms
- a(0) =1a(1) =1a(2) =6a(3) =261a(4) =56070a(5) =56526498a(6) =334429044030
External references
- oeis: A366226