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 | 1 |
5 | 1 |
6 | 1 |
7 | 1 |
8 | 3 |
9 | 7 |
10 | 13 |
11 | 37 |
12 | 103 |
13 | 247 |
14 | 705 |
15 | 2637 |
16 | 10751 |
17 | 47763 |
18 | 249479 |
19 | 1432497 |
20 | 8448903 |
21 | 55396711 |
22 | 408864319 |
23 | 3345198367 |
24 | 30485497915 |
25 | 317358146063 |
26 | 3656304314307 |
27 | 46486480051999 |
28 | 650411725511243 |
[1,1,1,1,1,1,1,3,7,13,37,103,247,705,2637,10751, 47763,249479,1432497,8448903,55396711,408864319, 3345198367,30485497915,317358146063,3656304314307, 46486480051999,650411725511243] |