Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 20 |
3 | 20 |
4 | 77 |
5 | 209 |
6 | 774 |
7 | 3143 |
8 | 13556 |
9 | 60280 |
10 | 272792 |
11 | 1243804 |
12 | 5692133 |
13 | 26100174 |
14 | 119782344 |
15 | 549950950 |
16 | 2525484907 |
17 | 11598683442 |
18 | 53271277746 |
19 | 244673796303 |
20 | 1123793697954 |
21 | 5161643580014 |
22 | 23707760958131 |
23 | 108891405413647 |
[1,20,20,77,209,774,3143,13556,60280,272792, 1243804,5692133,26100174,119782344,549950950, 2525484907,11598683442,53271277746,244673796303, 1123793697954,5161643580014,23707760958131, 108891405413647] |