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A215517 2n-th derivative of cos(x)^cosh(x) at x=0. 1
1, -1, -5, 44, 1485, 3464, -1481105, -69684616, 402426825, 343535701904, 29507320454875, 318475281287624, -302493631536925155, -52203775001430816856, -3573196771617434494265, 521806977065494496500064, 224830933830289537282793745, 38789418534845196786696365984 (list; graph; refs; listen; history; text; internal format)
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: A218375 A058792 A113948 * A215584 A262116 A096763

Adjacent sequences:  A215514 A215515 A215516 * A215518 A215519 A215520

KEYWORD

sign

AUTHOR

Michel Lagneau, Aug 14 2012

STATUS

approved

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Last modified August 16 05:55 EDT 2022. Contains 356160 sequences. (Running on oeis4.)