arcsinh(log(cos(x)))=-1/2!*x^2-2/4!*x^4-1/6!*x^6+148/8!*x^8-61/10!*x^10...

A012004

arcsinh(log(cos(x)))=-1/2!*x^2-2/4!*x^4-1/6!*x^6+148/8!*x^8-61/10!*x^10...

Terms

    a(0) =0a(1) =-1a(2) =-2a(3) =-1a(4) =148a(5) =-61a(6) =-395702a(7) =-28299181a(8) =93652648a(9) =265509939239

External references