|
|
A013112
|
|
cosh(arcsinh(x)+arctan(x))=1+4/2!*x^2-8/4!*x^4+70/6!*x^6-920/8!*x^8...
|
|
0
|
|
|
1, 4, -8, 70, -920, -28550, 10642900, -2554095050, 685535422000, -219648785612750, 84602550046787500, -38917136125065331250, 21166653214210218325000, -13470291608750677967093750
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
LINKS
|
|
|
MATHEMATICA
|
With[{nn=30}, Take[CoefficientList[Series[Cosh[ArcSinh[x]+ArcTan[x]], {x, 0, nn}], x]Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Nov 27 2012 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
sign
|
|
AUTHOR
|
Patrick Demichel (patrick.demichel(AT)hp.com)
|
|
STATUS
|
approved
|
|
|
|