Numerator of the coefficient of [x^n] in the Taylor expansion exp(cot(x) - cosech(x)).

A013550

Numerator of the coefficient of [x^n] in the Taylor expansion exp(cot(x) - cosech(x)).

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =-55a(4) =217a(5) =-4219a(6) =214279a(7) =-802171a(8) =824071a(9) =-109684277a(10) =337533513773a(11) =-760100160121

External references