A012322 - OEIS

%I #8 Jul 18 2018 02:21:59

%S 0,1,2,3,-4,-67,-370,287,30424,365465,1147258,-42467557,-994898540,

%T -8460851947,120733095366,5772181319543,91988708308272,

%U -303397037546063,-57859724492439438,-1529772040322728013

%N Expansion of e.g.f. arcsinh(arcsin(x) * exp(x)).

%e x + 2/2!*x^2 + 3/3!*x^3 - 4/4!*x^4 - 67/5!*x^5 ...

%K sign

%O 0,3

%A Patrick Demichel (patrick.demichel(AT)hp.com)

%E a(0) inserted and title improved by _Sean A. Irvine_, Jul 17 2018