cosh(tan(arcsinh(x)))=1+1/2!*x^2+5/4!*x^4+61/6!*x^6+937/8!*x^8...
A012167
cosh(tan(arcsinh(x)))=1+1/2!*x^2+5/4!*x^4+61/6!*x^6+937/8!*x^8...
Terms
- a(0) =1a(1) =1a(2) =5a(3) =61a(4) =937a(5) =41881a(6) =259181a(7) =225924245a(8) =-25529526319
External references
- oeis: A012167