n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 0 |
4 | 2 |
5 | 2 |
6 | 8 |
7 | 14 |
8 | 36 |
9 | 112 |
10 | 216 |
11 | 928 |
12 | 1440 |
13 | 8616 |
14 | 11520 |
15 | 87864 |
16 | 100800 |
17 | 997952 |
18 | 1008000 |
19 | 12427904 |
20 | 10886400 |
21 | 169435936 |
22 | 130636800 |
23 | 2501216992 |
24 | 1676505600 |
25 | 39837528576 |
26 | 23471078400 |
27 | 679494214656 |
28 | 348713164800 |
29 | 12370158205568 |
30 | 5579410636800 |
31 | 239109033342848 |
[0,1,0,2,2,8,14,36,112,216,928,1440,8616,11520, 87864,100800,997952,1008000,12427904,10886400, 169435936,130636800,2501216992,1676505600, 39837528576,23471078400,679494214656,348713164800, 12370158205568,5579410636800,239109033342848] |