|
| |
|
|
A012827
|
|
sinh(sec(x)*arcsinh(x))=x+3/3!*x^3+45/5!*x^5+1071/7!*x^7+56697/9!*x^9...
|
|
0
|
|
|
|
1, 3, 45, 1071, 56697, 3279419, 376156261, 35274762407, 8003761282417, 853554115621363, 450081179390735645, 17369944484313961631, 62576187908645427074025, -11407841475969056406389973
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,2
|
|
|
LINKS
|
|
|
|
MATHEMATICA
|
With[{nn=30}, Take[CoefficientList[Series[Sinh[Sec[x]ArcSinh[x]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Mar 08 2018 *)
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
sign
|
|
|
AUTHOR
|
Patrick Demichel (patrick.demichel(AT)hp.com)
|
|
|
STATUS
|
approved
|
| |
|
|
