Expansion of e.g.f. exp(tanh(x)*log(1+x)).

Terms

a(0) =1a(1) =0a(2) =2a(3) =-3a(4) =12a(5) =-70a(6) =370a(7) =-2436a(8) =20048a(9) =-175176a(10) =1679368a(11) =-18271000a(12) =216489416a(13) =-2751576048a(14) =37874200208a(15) =-560956931640