sec(cos(x)*arcsin(x))=1+1/2!*x^2-3/4!*x^4-75/6!*x^6+1337/8!*x^8...
A012491
sec(cos(x)*arcsin(x))=1+1/2!*x^2-3/4!*x^4-75/6!*x^6+1337/8!*x^8...
Terms
- a(0) =1a(1) =1a(2) =-3a(3) =-75a(4) =1337a(5) =144105a(6) =3933237a(7) =118760733a(8) =129911988593
External references
- oeis: A012491