sec(sinh(x)+arctan(x)) = 1 + 4/2!*x^2 + 72/4!*x^4 + 3414/6!*x^6 + 293944/8!*x^8 + ...
A013066
sec(sinh(x)+arctan(x)) = 1 + 4/2!*x^2 + 72/4!*x^4 + 3414/6!*x^6 + 293944/8!*x^8 + ...
Terms
- a(0) =1a(1) =4a(2) =72a(3) =3414a(4) =293944a(5) =41039354a(6) =8367429708
External references
- oeis: A013066