Expansion of e.g.f. arcsinh(log(x+1) - tanh(x)).

Terms

a(0) =0a(1) =0a(2) =-1a(3) =4a(4) =-6a(5) =8a(6) =-105a(7) =572a(8) =700a(9) =-18800a(10) =43155a(11) =-348988a(12) =11050974a(13) =22646648a(14) =-3799664869a(15) =70348059420