n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 0 |
10 | 0 |
11 | 243840 |
12 | 6855968 |
13 | 107988608 |
14 | 1479751168 |
15 | 16581217536 |
16 | 161471882796 |
17 | 1292241296640 |
18 | 9106516329984 |
19 | 53383279307904 |
20 | 278420690161824 |
21 | 1218666847725184 |
22 | 4782630191822848 |
[1,0,0,0,0,0,0,0,0,0,0,243840,6855968,107988608, 1479751168,16581217536,161471882796,1292241296640, 9106516329984,53383279307904,278420690161824, 1218666847725184,4782630191822848] |