sec(arctan(x)+arcsin(x))=1+4/2!*x^2+72/4!*x^4+3510/6!*x^6+315000/8!*x^8...
A012995
sec(arctan(x)+arcsin(x))=1+4/2!*x^2+72/4!*x^4+3510/6!*x^6+315000/8!*x^8...
Terms
- a(0) =1a(1) =4a(2) =72a(3) =3510a(4) =315000a(5) =45898650a(6) =9783981900
External references
- oeis: A012995