Expansion of log(1+tan(x)*x)/2.

A024236

Expansion of log(1+tan(x)*x)/2.

Terms

    a(0) =0a(1) =1a(2) =-2a(3) =48a(4) =-1040a(5) =62720a(6) =-4314624a(7) =498003968a(8) =-70081316864

External references