|
| |
|
|
A013094
|
|
tan(arcsinh(x)+tan(x))=2*x+17/3!*x^3+617/5!*x^5+48303/7!*x^7...
|
|
1
|
|
|
|
2, 17, 617, 48303, 6522881, 1347329463, 394859190065, 155788454490063, 79615692221453953, 51158770289333605479, 40370803594653993695153, 38380940325618664357898303, 43267817873570429233783437313
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,1
|
|
|
LINKS
|
|
|
|
FORMULA
|
Limit n->infinity (a(n)/(2*n+1)!)^(1/(2*n+1)) = 1.37072091851392158... - Vaclav Kotesovec, Nov 01 2013
|
|
|
MATHEMATICA
|
With[{nn=30}, Take[CoefficientList[Series[Tan[ArcSinh[x]+Tan[x]], {x, 0, nn}], x] Range[ 0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, May 01 2013 *)
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
Patrick Demichel (patrick.demichel(AT)hp.com)
|
|
|
STATUS
|
approved
|
| |
|
|
