n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 1 |
6 | 8 |
7 | 8 |
8 | 48 |
9 | 54 |
10 | 331 |
11 | 439 |
12 | 2558 |
13 | 3734 |
14 | 21057 |
15 | 33384 |
16 | 182293 |
17 | 307719 |
18 | 1638465 |
19 | 2913775 |
20 | 15181584 |
21 | 28194412 |
22 | 144206012 |
23 | 277887666 |
24 | 1398566992 |
[1,0,1,1,2,1,8,8,48,54,331,439,2558,3734,21057, 33384,182293,307719,1638465,2913775,15181584, 28194412,144206012,277887666,1398566992] |