Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 9 |
4 | 20 |
5 | 40 |
6 | 82 |
7 | 166 |
8 | 334 |
9 | 670 |
10 | 1340 |
11 | 2682 |
12 | 5366 |
13 | 10734 |
14 | 21470 |
15 | 42942 |
16 | 85886 |
17 | 171774 |
[1,4,9,20,40,82,166,334,670,1340,2682,5366,10734, 21470,42942,85886,171774] |