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 | 1 |
5 | 1 |
6 | 5 |
7 | 5 |
8 | 21 |
9 | 26 |
10 | 93 |
11 | 116 |
12 | 392 |
13 | 497 |
14 | 1616 |
15 | 2087 |
16 | 6690 |
17 | 8656 |
18 | 27493 |
19 | 35797 |
20 | 113728 |
21 | 147838 |
22 | 469824 |
23 | 611551 |
24 | 1951237 |
[0,0,0,1,1,5,5,21,26,93,116,392,497,1616,2087, 6690,8656,27493,35797,113728,147838,469824,611551, 1951237] |