Expansion of e.g.f.: cosh(arcsin(x)*log(x+1)).

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =12a(5) =-60a(6) =450a(7) =-2940a(8) =26768a(9) =-239904a(10) =2668680a(11) =-29987760a(12) =392312712a(13) =-5250012768a(14) =78929218368