Expansion of e.g.f. arctan(log(x+1) - sinh(x)).

Terms

a(0) =0a(1) =0a(2) =-1a(3) =1a(4) =-6a(5) =23a(6) =-90a(7) =509a(8) =-1960a(9) =7251a(10) =20160a(11) =-1028821a(12) =16750008a(13) =-249844519a(14) =3354647296a(15) =-42644099135a(16) =506129014560