Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 16 |
5 | 48 |
6 | 158 |
7 | 508 |
8 | 1708 |
9 | 5787 |
10 | 19901 |
11 | 68974 |
12 | 241240 |
13 | 848449 |
14 | 3001597 |
15 | 10666729 |
16 | 38065825 |
17 | 136329386 |
[1,2,6,16,48,158,508,1708,5787,19901,68974,241240, 848449,3001597,10666729,38065825,136329386] |