Denominator of [x^(2n)] of the Taylor expansion log(cosec(x)*arctan(x)).

A175671

Denominator of [x^(2n)] of the Taylor expansion log(cosec(x)*arctan(x)).

Terms

    a(0) =1a(1) =6a(2) =20a(3) =567a(4) =3240a(5) =155925a(6) =8292375a(7) =147349125a(8) =312615903600

External references