|
Search: id:A027409
|
|
|
| A027409 |
|
Number of labeled servers of dimension 22. |
|
+0
1
|
|
| 1, 22, 715, 28974, 1380093, 74841558, 4525209711, 300561720030, 21686284145097, 1685085369468534, 140028734022344739, 12373253024424889518, 1157017818664396423845, 114029077860692830245366
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
REFERENCES
|
R. Donaghey, Binomial self-inverse sequences and tangent coefficients, J. Combin. Theory, Series A, 21 (1976), 155-163.
|
|
FORMULA
|
E.g.f.: Exp[ Sum[ ((1+x)^i-1)/i, {i, 1, 22} ] ]
|
|
CROSSREFS
|
Sequence in context: A092086 A137262 A025760 this_sequence A067768 A095696 A102995
Adjacent sequences: A027406 A027407 A027408 this_sequence A027410 A027411 A027412
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Olivier Gerard (ogerard(AT)ext.jussieu.fr)
|
|
|
Search completed in 0.002 seconds
|
