Numerators of Taylor series for log(1/cos(x)). Also from log(cos(x)).

A046990

Numerators of Taylor series for log(1/cos(x)). Also from log(cos(x)).

Terms

    a(0) =0a(1) =1a(2) =1a(3) =1a(4) =17a(5) =31a(6) =691a(7) =10922a(8) =929569a(9) =3202291a(10) =221930581a(11) =9444233042a(12) =56963745931

External references