arctan(arcsinh(x)*tan(x))=2/2!*x^2+4/4!*x^4-130/6!*x^6-6232/8!*x^8...
A012614
arctan(arcsinh(x)*tan(x))=2/2!*x^2+4/4!*x^4-130/6!*x^6-6232/8!*x^8...
Terms
- a(0) =2a(1) =4a(2) =-130a(3) =-6232a(4) =209818a(5) =44625260a(6) =939197142
External references
- oeis: A012614