Expansion of log(1+tanh(x)*sinh(x))/2.

A024288

Expansion of log(1+tanh(x)*sinh(x))/2.

Terms

    a(0) =0a(1) =1a(2) =-8a(3) =211a(4) =-11108a(5) =985501a(6) =-132845558a(7) =25350487891

External references