sec(arcsinh(x)*exp(x))=1+1/2!*x^2+6/3!*x^3+25/4!*x^4+140/5!*x^5...

A012594

sec(arcsinh(x)*exp(x))=1+1/2!*x^2+6/3!*x^3+25/4!*x^4+140/5!*x^5...

Terms

    a(0) =1a(1) =0a(2) =1a(3) =6a(4) =25a(5) =140a(6) =1225a(7) =11410a(8) =110353a(9) =1260696a(10) =16597745a(11) =233501598a(12) =3534940649a(13) =58867014180

External references