G.f. satisfies: A(x) = Sum_{n>=0} (A(x)^n - 1)^n * x^n / (1-x)^(n+1).
A251177
G.f. satisfies: A(x) = Sum_{n>=0} (A(x)^n - 1)^n * x^n / (1-x)^(n+1).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =17a(5) =70a(6) =325a(7) =1639a(8) =8789a(9) =49530a(10) =291210a(11) =1777850a(12) =11235377a(13) =73350276a(14) =494058375a(15) =3430707732a(16) =24549179609a(17) =180988977267
External references
- oeis: A251177