sec(sinh(x)+tan(x))=1+4/2!*x^2+104/4!*x^4+6598/6!*x^6+778200/8!*x^8...
A013054
sec(sinh(x)+tan(x))=1+4/2!*x^2+104/4!*x^4+6598/6!*x^6+778200/8!*x^8...
Terms
- a(0) =1a(1) =4a(2) =104a(3) =6598a(4) =778200a(5) =147293306a(6) =40870375036
External references
- oeis: A013054