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

A012269

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

Terms

    a(0) =0a(1) =0a(2) =2a(3) =-6a(4) =22a(5) =-100a(6) =308a(7) =1512a(8) =-51144a(9) =869472a(10) =-12406608a(11) =155319120a(12) =-1563312720a(13) =6008315040a(14) =296596492320

External references