|
Search: id:A065953
|
|
|
| A065953 |
|
Denominator of (-1)^n*n!*(E(n,2)-E(n,1)*E(n-1,1)) where E(n,x) = Sum_{k=0..n} (-1)^k*x^k/k!. |
|
+0
2
|
|
| 1, 1, 1, 1, 2, 6, 8, 40, 720, 560, 4480, 362880, 1209600, 13305600, 479001600, 188697600, 2641766400, 1307674368000, 774918144000, 1197600768000, 44771844096000, 3119105138688000, 73724303278080000, 4644631106519040000
(list; graph; listen)
|
|
|
OFFSET
|
1,5
|
|
|
EXAMPLE
|
1, 2, 3, 5, 17/2, 89/6, 211/8, 1903/40, 62473/720, ...
|
|
CROSSREFS
|
Cf. A065952-A065956.
Sequence in context: A045653 A152158 A095239 this_sequence A118211 A050552 A105607
Adjacent sequences: A065950 A065951 A065952 this_sequence A065954 A065955 A065956
|
|
KEYWORD
|
nonn,frac
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com), Dec 08 2001
|
|
|
Search completed in 0.002 seconds
|
