|
Search: id:A103816
|
|
|
| A103816 |
|
Numerator of Sum_{k=1..n} (-1)^(k+1)/k!. |
|
+0
4
|
|
| 0, 1, 1, 2, 5, 19, 91, 177, 3641, 28673, 28319, 2523223, 27526069, 109339663, 4239014627, 59043418019, 26718637649, 14052333488521, 238063061452591, 158218865944829, 7358312808534631, 124213980448686521
(list; graph; listen)
|
|
|
OFFSET
|
0,4
|
|
|
COMMENT
|
Numerator of (n!-A000166(n))/n!.
Numerator of 1 - A053557/A053556.
|
|
LINKS
|
Eric Weisstein's World of Mathematics, Continued Fraction Constant [From Eric W. Weisstein (eric(AT)weisstein.com), Oct 03 2008]
|
|
MATHEMATICA
|
Table[ Numerator[ Sum[ -(-1)^k/k!, {k, n}]], {n, 0, 22}] (* Robert G. Wilson v *)
|
|
CROSSREFS
|
Cf. A053556 (denominators).
Sequence in context: A124348 A052324 A020115 this_sequence A052169 A020019 A020109
Adjacent sequences: A103813 A103814 A103815 this_sequence A103817 A103818 A103819
|
|
KEYWORD
|
nonn,frac,nice,easy
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com), Apr 02 2005
|
|
EXTENSIONS
|
More terms from Robert G. Wilson v (rgwv(at)rgwv.com), Oct 13 2005
|
|
|
Search completed in 0.002 seconds
|
