Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 5 |
6 | 9 |
7 | 21 |
8 | 69 |
9 | 305 |
10 | 1333 |
11 | 6087 |
12 | 37147 |
13 | 280959 |
14 | 2501123 |
15 | 26363255 |
16 | 322801403 |
17 | 4679667007 |
18 | 81403804671 |
19 | 1686900283495 |
20 | 41922642406637 |
21 | 1239283752468159 |
22 | 43217375654523227 |
23 | 1785265760870915049 |
24 | 87797244145177135687 |
[1,1,1,3,5,9,21,69,305,1333,6087,37147,280959, 2501123,26363255,322801403,4679667007,81403804671, 1686900283495,41922642406637,1239283752468159, 43217375654523227,1785265760870915049, 87797244145177135687] |