login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A215588 n-th derivative of cosh(x)^tanh(x) at x=0. 3
1, 0, 0, 3, 0, -30, 90, 588, -5040, -11400, 325080, -336072, -25237080, 126955920, 2273150880, -25210740552, -217110741120, 4985924326080, 16380284725440, -1066531842442752, 1493617498611840, 249776526926340480, -1647997041357152640, -63281386481329443072 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..200

FORMULA

E.g.f.: cosh(x)^tanh(x).

MAPLE

a:= n-> n!* coeff(series(cosh(x)^tanh(x), x, n+1), x, n):

seq (a(n), n=0..25);  # Alois P. Heinz, Aug 20 2012

MATHEMATICA

f[x_] := Cosh[x]^Tanh[x]; Table[Derivative[ n] [f][0], {n, 0, 25}]

CROSSREFS

Cf. A215586, A215683.

Sequence in context: A143769 A190963 A296436 * A215683 A215586 A215680

Adjacent sequences:  A215585 A215586 A215587 * A215589 A215590 A215591

KEYWORD

sign

AUTHOR

Michel Lagneau, Aug 16 2012

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 30 05:22 EDT 2022. Contains 354913 sequences. (Running on oeis4.)