Numerator of [x^(2n+1)] in the Taylor series arccos(cot(x)*arcsinh(x)).

A012869

Numerator of [x^(2n+1)] in the Taylor series arccos(cot(x)*arcsinh(x)).

Terms

    a(0) =1a(1) =-1a(2) =4a(3) =-2098a(4) =2969a(5) =-35380322a(6) =8716535447

External references