|
| |
|
|
A012035
|
|
sin(sin(arcsinh(x))) = x-3/3!*x^3+41/5!*x^5-1291/7!*x^7+73169/9!*x^9...
|
|
0
|
|
|
|
1, -3, 41, -1291, 73169, -6551251, 852920953, -152425617371, 35839758063521, -10733139641944739, 3990221478883366601, -1803635523024068325803, 974372554797510153337201
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,2
|
|
|
LINKS
|
|
|
|
FORMULA
|
a(n) ~ (-1)^n * 2^(2*n+1) * n^(2*n) * cosh(sinh(Pi/2)) * cosh(Pi/2) / exp(2*n). - Vaclav Kotesovec, Oct 30 2013
|
|
|
MATHEMATICA
|
Table[n!*SeriesCoefficient[Sin[Sin[ArcSinh[x]]], {x, 0, n}], {n, 1, 40, 2}] (* Vaclav Kotesovec, Oct 30 2013 *)
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
sign
|
|
|
AUTHOR
|
Patrick Demichel (patrick.demichel(AT)hp.com)
|
|
|
STATUS
|
approved
|
| |
|
|
