Numerator of the coefficient [x^(2n+1)] of tanh(cosec(x)-coth(x)).
A013544
Numerator of the coefficient [x^(2n+1)] of tanh(cosec(x)-coth(x)).
Terms
- a(0) =-1a(1) =7a(2) =-1013a(3) =64763a(4) =-3009173a(5) =5341411709a(6) =-857007547621
External references
- oeis: A013544