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

Terms

a(0) =0a(1) =0a(2) =2a(3) =-6a(4) =14a(5) =-40a(6) =204a(7) =-1316a(8) =8728a(9) =-65472a(10) =587520a(11) =-5909024a(12) =63996096a(13) =-755614080a(14) =9771577984a(15) =-136347987712