A215517 2n-th derivative of cos(x)^cosh(x) at x=0.

1, -1, -5, 44, 1485, 3464, -1481105, -69684616, 402426825, 343535701904, 29507320454875, 318475281287624, -302493631536925155, -52203775001430816856, -3573196771617434494265, 521806977065494496500064, 224830933830289537282793745, 38789418534845196786696365984

Offset

0,3

Comments

The sequence gives only 2n-th derivatives because (2n+1)-th derivatives are 0.

Links

Table of n, a(n) for n=0..17.

Mathematica

f[x_] := Cos[x]^Cosh[x]; Table[Derivative[2*n][f][0], {n, 0, 30}]

Crossrefs

Sequence in context: A058792 A374583 A113948 * A215584 A262116 A096763

Adjacent sequences: A215514 A215515 A215516 * A215518 A215519 A215520

Keyword

sign

Author

Michel Lagneau, Aug 14 2012

Status

approved