n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 0 |
10 | 0 |
11 | 0 |
12 | 0 |
13 | 0 |
14 | 0 |
15 | 0 |
16 | 0 |
17 | 8 |
18 | 179 |
19 | 2509 |
20 | 25609 |
21 | 214932 |
22 | 1578984 |
23 | 10536260 |
24 | 65411645 |
25 | 383981499 |
26 | 2156114468 |
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,179,2509,25609, 214932,1578984,10536260,65411645,383981499, 2156114468] |