arctanh(arctan(x)+tan(x))=2*x+16/3!*x^3+808/5!*x^5+98432/7!*x^7...
A013005
arctanh(arctan(x)+tan(x))=2*x+16/3!*x^3+808/5!*x^5+98432/7!*x^7...
Terms
- a(0) =2a(1) =16a(2) =808a(3) =98432a(4) =22498432a(5) =8253398272
External references
- oeis: A013005
A013005
arctanh(arctan(x)+tan(x))=2*x+16/3!*x^3+808/5!*x^5+98432/7!*x^7...