exp(arcsinh(x)*arcsinh(x))=1+2/2!*x^2+4/4!*x^4+8/6!*x^6-240/8!*x^8...

A012648

exp(arcsinh(x)*arcsinh(x))=1+2/2!*x^2+4/4!*x^4+8/6!*x^6-240/8!*x^8...

Terms

    a(0) =1a(1) =2a(2) =4a(3) =8a(4) =-240a(5) =17952a(6) =-1948608a(7) =295020672a(8) =-59798806272

External references