cosh(tanh(x)*arctan(x))=1+12/4!*x^4-480/6!*x^6+28560/8!*x^8...
A012685
cosh(tanh(x)*arctan(x))=1+12/4!*x^4-480/6!*x^6+28560/8!*x^8...
Terms
- a(0) =1a(1) =0a(2) =12a(3) =-480a(4) =28560a(5) =-2595840a(6) =342910656a(7) =-62365675008
External references
- oeis: A012685