|
|
A009243
|
|
Expansion of exp(tan(x))*x.
|
|
0
|
|
|
0, 1, 2, 3, 12, 45, 222, 1239, 7672, 54873, 416410, 3577739, 32324292, 322495173, 3382216502, 38370542175, 457713511280, 5817952885169, 77686268202162, 1093812528874387, 16145162631579900, 249472828725529437, 4030053480328871182, 67807763939709678951
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,3
|
|
LINKS
|
|
|
MATHEMATICA
|
With[{nn=30}, CoefficientList[Series[Exp[Tan[x]]*x, {x, 0, nn}], x] Range[ 0, nn]!] (* Harvey P. Dale, Nov 26 2012 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|