Numerator of [x^(2*n + 1)] in the Taylor series expansion of arcsin(cosec(x) - cotanh(x)).

A013538

Numerator of [x^(2*n + 1)] in the Taylor series expansion of arcsin(cosec(x) - cotanh(x)).

Terms

    a(0) =-1a(1) =53a(2) =73a(3) =45137a(4) =11226497a(5) =129163393a(6) =474807665

External references