|
Search: id:A027404
|
|
|
| A027404 |
|
Number of labeled servers of dimension 17. |
|
+0 1
|
|
| 1, 17, 425, 13209, 481593, 19960329, 921249873, 46658112705, 2564687821041, 151696177306497, 9588646038606201, 644058017836810857, 45753059704756733865, 3423681133127801126649, 268929096702949443999393
(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, 17} ] ]
|
|
CROSSREFS
|
Sequence in context: A114357 A142997 A134940 this_sequence A053114 A035022 A023150
Adjacent sequences: A027401 A027402 A027403 this_sequence A027405 A027406 A027407
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Olivier Gerard (olivier.gerard(AT)gmail.com)
|
|
|
Search completed in 0.002 seconds
|