E.g.f.: A(x) = x + tanh(A(x)^2).
A226760
E.g.f.: A(x) = x + tanh(A(x)^2).
Terms
- a(0) =1a(1) =2a(2) =12a(3) =120a(4) =1680a(5) =30000a(6) =651840a(7) =16692480a(8) =492307200a(9) =16432899840a(10) =612414190080
External references
- oeis: A226760
A226760
E.g.f.: A(x) = x + tanh(A(x)^2).