tanh(sinh(x)*tan(x)) = 2/2!*x^2 + 12/4!*x^4 - 98/6!*x^6 - 16968/8!*x^8 - ...
A009816
tanh(sinh(x)*tan(x)) = 2/2!*x^2 + 12/4!*x^4 - 98/6!*x^6 - 16968/8!*x^8 - ...
Terms
- a(0) =0a(1) =2a(2) =12a(3) =-98a(4) =-16968a(5) =-1022758a(6) =13538052a(7) =18891204022
External references
- oeis: A009816