tan(arcsinh(x)*cos(x))=x-2/3!*x^3-40/5!*x^5+824/7!*x^7+34880/9!*x^9...

A012637

tan(arcsinh(x)*cos(x))=x-2/3!*x^3-40/5!*x^5+824/7!*x^7+34880/9!*x^9...

Terms

    a(0) =1a(1) =-2a(2) =-40a(3) =824a(4) =34880a(5) =-3510784a(6) =-105236352a(7) =50170105088a(8) =-740139765760

External references