Expansion of e.g.f. sec(tan(x)*arcsin(x)) (only even powers).
A012385
Expansion of e.g.f. sec(tan(x)*arcsin(x)) (only even powers).
Terms
- a(0) =1a(1) =0a(2) =12a(3) =360a(4) =24080a(5) =2520000a(6) =388466496a(7) =82494828416
External references
- oeis: A012385