Numerator of the coefficient of [x^(2n)] of the Taylor series log(cosec(x)*arcsinh(x)).

A012859

Numerator of the coefficient of [x^(2n)] of the Taylor series log(cosec(x)*arcsinh(x)).

Terms

    a(0) =1a(1) =-1a(2) =25a(3) =-269a(4) =4401359a(5) =-5248651a(6) =3071547701a(7) =-6442201463

External references