Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 1 |
7 | 1 |
8 | 18 |
9 | 59 |
10 | 630 |
11 | 1681 |
12 | 28867 |
13 | 60083 |
14 | 757577 |
15 | 3514504 |
16 | 21424002 |
17 | 64372109 |
18 | 1024999230 |
19 | 2026631203 |
20 | 26920955243 |
21 | 105501588415 |
22 | 742299898741 |
23 | 1974251382095 |
24 | 31721456317841 |
25 | 74052852505684 |
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