|
| |
|
|
A012087
|
|
Expansion of e.g.f.: exp(arcsin(arctan(x)))=1+x+1/2!*x^2-3/4!*x^4+4/5!*x^5+69/6!*x^6...
|
|
0
|
|
|
|
1, 1, 1, 0, -3, 4, 69, -32, -2503, 1936, 177481, -67328, -18539595, 4140096, 2813939725, 353591808, -573509386895, -262064131840, 152349815266705, 130347373404160, -50966873710838675, -65058714844462080
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,5
|
|
|
LINKS
|
Table of n, a(n) for n=0..21.
|
|
|
MATHEMATICA
|
With[{nn=30}, CoefficientList[Series[Exp[ArcSin[ArcTan[x]]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, May 27 2018 *)
|
|
|
CROSSREFS
|
Sequence in context: A060356 A052323 A356292 * A012194 A318208 A341851
Adjacent sequences: A012084 A012085 A012086 * A012088 A012089 A012090
|
|
|
KEYWORD
|
sign
|
|
|
AUTHOR
|
Patrick Demichel (patrick.demichel(AT)hp.com)
|
|
|
EXTENSIONS
|
Definition clarified by Harvey P. Dale, May 27 2018
|
|
|
STATUS
|
approved
|
| |
|
|
