Expansion of log(1+tanh(x)*sinh(x)).

A009397

Expansion of log(1+tanh(x)*sinh(x)).

Terms

    a(0) =0a(1) =2a(2) =-16a(3) =422a(4) =-22216a(5) =1971002a(6) =-265691116a(7) =50700975782

External references