Numerators of coefficients in Taylor series expansion of log(cotan(x)*arctan(x)).

A012867

Numerators of coefficients in Taylor series expansion of log(cotan(x)*arctan(x)).

Terms

    a(0) =0a(1) =-2a(2) =1a(3) =-313a(4) =317a(5) =-7813a(6) =6895597a(7) =-61916737a(8) =10655226077

External references