exp(cosh(x)*arcsinh(x))=1+x+1/2!*x^2+3/3!*x^3+9/4!*x^4+25/5!*x^5...

A012771

exp(cosh(x)*arcsinh(x))=1+x+1/2!*x^2+3/3!*x^3+9/4!*x^4+25/5!*x^5...

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =9a(5) =25a(6) =105a(7) =371a(8) =1393a(9) =11985a(10) =71025a(11) =-13981a(12) =-898887a(13) =45127017a(14) =455252889a(15) =-5553908333a(16) =-75822681503

External references