tan(tan(x)*arcsin(x))=2/2!*x^2+12/4!*x^4+430/6!*x^6+26040/8!*x^8...
A012378
tan(tan(x)*arcsin(x))=2/2!*x^2+12/4!*x^4+430/6!*x^6+26040/8!*x^8...
Terms
- a(0) =0a(1) =2a(2) =12a(3) =430a(4) =26040a(5) =2661178a(6) =402231940a(7) =84456360742
External references
- oeis: A012378