n | a(n) |
---|---|
2 | 1 |
3 | 2 |
4 | 9 |
5 | 48 |
6 | 25 |
7 | 2160 |
8 | 2205 |
9 | 17920 |
10 | 5103 |
11 | 18144000 |
12 | 21175 |
13 | 2874009600 |
14 | 11293425 |
15 | 100452352 |
16 | 9577693125 |
17 | 167382319104000 |
18 | 253127875 |
19 | 57621363351552000 |
20 | 282135852999 |
21 | 75676057600000 |
22 | 372075093219375 |
23 | 12364008005553684480000 |
24 | 57618381445625 |
25 | 11912609313278197235712 |
[1,2,9,48,25,2160,2205,17920,5103,18144000,21175, 2874009600,11293425,100452352,9577693125, 167382319104000,253127875,57621363351552000, 282135852999,75676057600000,372075093219375, 12364008005553684480000,57618381445625, 11912609313278197235712] |