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

Terms

a(0) =0a(1) =0a(2) =2a(3) =-3a(4) =4a(5) =-20a(6) =38a(7) =441a(8) =-4776a(9) =34056a(10) =-126918a(11) =-1463715a(12) =44636700a(13) =-890330220a(14) =13954992270a(15) =-144155651535a(16) =517645374960