Expansion of tanh(x)tan(x)/2 in powers of x^(4*n+2).
A009837
Expansion of tanh(x)tan(x)/2 in powers of x^(4*n+2).
Terms
- a(0) =1a(1) =56a(2) =46336a(3) =182844416
External references
- oeis: A009837
A009837
Expansion of tanh(x)tan(x)/2 in powers of x^(4*n+2).