|
| |
|
|
A012120
|
|
cosh(arcsin(arcsinh(x)))=1+1/2!*x^2+1/4!*x^4+49/6!*x^6+1/8!*x^8...
|
|
0
|
|
|
|
1, 1, 1, 49, 1, 83361, -2206335, 961321425, -96313079295, 41773143339585, -9493597481579775, 4967941000109596785, -1991874953215606007295, 1319075774798596975837665, -807077677117010238256087935
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,4
|
|
|
LINKS
|
|
|
|
MATHEMATICA
|
With[{nn=30}, Take[CoefficientList[Series[Cosh[ArcSin[ArcSinh[x]]], {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Nov 22 2013 *)
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
sign
|
|
|
AUTHOR
|
Patrick Demichel (patrick.demichel(AT)hp.com)
|
|
|
STATUS
|
approved
|
| |
|
|
