|
|
A012870
|
|
Numerator of [x^(4n+2)] in the Taylor series -log(cot(x)*tanh(x))= 2*x^2/3 +124*x^6/2835 +292*x^10/66825 +65528*x^14/127702575 -...
|
|
0
|
|
|
2, 124, 292, 65528, 22998766228, 26598037736, 176612002738088, 14801902575616661729776, 32359766312586630724, 169555914608329772744042648, 26741840557472966493223060731901928
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,1
|
|
COMMENTS
|
The inner function is cot(x)*tanh(x) = 1 -2*x^2/3 +2*x^4/9 -88*x^6/945 +106*x^8/2835 -2368*x^10/155925 +...
|
|
LINKS
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,frac
|
|
AUTHOR
|
Patrick Demichel (patrick.demichel(AT)hp.com)
|
|
EXTENSIONS
|
Values replaced by numerators. - R. J. Mathar, Dec 22 2011
|
|
STATUS
|
approved
|
|
|
|