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

Terms

a(0) =0a(1) =0a(2) =2a(3) =-3a(4) =4a(5) =-20a(6) =-82a(7) =1701a(8) =-13176a(9) =102096a(10) =-499878a(11) =-4097115a(12) =139441740a(13) =-2543404500a(14) =36360855750a(15) =-325904118435a(16) =-572181239280