Numerators of coefficients in Taylor series expansion of arccosh(cosec(x)*arctanh(x)).

A012862

Numerators of coefficients in Taylor series expansion of arccosh(cosec(x)*arctanh(x)).

Terms

    a(0) =1a(1) =7a(2) =211a(3) =87583a(4) =1551091a(5) =26136390307

External references