Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 8 |
5 | 38 |
6 | 234 |
7 | 1679 |
8 | 13802 |
9 | 127155 |
10 | 1297619 |
11 | 14516296 |
12 | 176640311 |
13 | 2322876382 |
14 | 32831464503 |
15 | 496399943530 |
16 | 7995690518504 |
17 | 136701790293581 |
18 | 2472679442088700 |
19 | 47180405307783443 |
20 | 947116124382018095 |
21 | 19954735355719570880 |
22 | 440286840550877179031 |
[1,1,2,8,38,234,1679,13802,127155,1297619, 14516296,176640311,2322876382,32831464503, 496399943530,7995690518504,136701790293581, 2472679442088700,47180405307783443, 947116124382018095,19954735355719570880, 440286840550877179031] |