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

A013559

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

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =1a(4) =-7a(5) =1a(6) =97a(7) =-55a(8) =-2063a(9) =143a(10) =17803a(11) =-968167a(12) =-250781a(13) =7000033a(14) =-166831871a(15) =-571772647a(16) =43685848289a(17) =843598411471a(18) =-447550424579

External references