Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 6 |
5 | 25 |
6 | 131 |
7 | 843 |
8 | 6275 |
9 | 52989 |
10 | 500443 |
11 | 5226842 |
12 | 59818301 |
13 | 744405516 |
14 | 10008118595 |
15 | 144561713038 |
16 | 2232675345795 |
17 | 36715105686391 |
18 | 640474621418149 |
19 | 11813198572823623 |
20 | 229701083360459335 |
21 | 4696111037591613053 |
[1,1,1,2,6,25,131,843,6275,52989,500443,5226842, 59818301,744405516,10008118595,144561713038, 2232675345795,36715105686391,640474621418149, 11813198572823623,229701083360459335, 4696111037591613053] |