2n-th derivative of cos(x)^cosh(x) at x=0.

A215517

2n-th derivative of cos(x)^cosh(x) at x=0.

Terms

    a(0) =1a(1) =-1a(2) =-5a(3) =44a(4) =1485a(5) =3464a(6) =-1481105a(7) =-69684616a(8) =402426825a(9) =343535701904

External references