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 | 0 |
7 | 1 |
8 | 0 |
9 | 20 |
10 | 103 |
11 | 594 |
12 | 1192 |
13 | 6290 |
14 | 18099 |
15 | 54808 |
16 | 159048 |
17 | 502366 |
18 | 1374593 |
19 | 4076218 |
20 | 11378831 |
21 | 32674779 |
22 | 93006494 |
23 | 264720498 |
24 | 748062099 |
25 | 2134512296 |
26 | 6071524897 |
27 | 17289205132 |
28 | 49268564671 |
29 | 140605019208 |
30 | 401392287316 |
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