Numerator of the coefficient of [x^(2n)] of the Taylor series log(cosec(x)*arctanh(x)).
A012861
Numerator of the coefficient of [x^(2n)] of the Taylor series log(cosec(x)*arctanh(x)).
Terms
- a(0) =1a(1) =3a(2) =4a(3) =203a(4) =2038a(5) =319561a(6) =61425307a(7) =8552625673a(8) =11620410478
External references
- oeis: A012861