n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 120 |
10 | 120 |
11 | 1800 |
12 | 1800 |
13 | 16800 |
14 | 16800 |
15 | 126000 |
16 | 126000 |
17 | 834120 |
18 | 834000 |
19 | 5103000 |
20 | 5102880 |
21 | 29607600 |
22 | 29605800 |
23 | 165528000 |
24 | 165526200 |
25 | 901020120 |
26 | 901003320 |
27 | 4809004080 |
28 | 4808987400 |
29 | 25292030400 |
30 | 25291904280 |
31 | 131542866000 |
32 | 131542740000 |
[0,0,0,0,0,0,0,0,120,120,1800,1800,16800,16800, 126000,126000,834120,834000,5103000,5102880, 29607600,29605800,165528000,165526200,901020120, 901003320,4809004080,4808987400,25292030400, 25291904280,131542866000,131542740000] |