n | a(n) |
---|---|
2 | 1 |
3 | 12 |
4 | 108 |
5 | 960 |
6 | 9000 |
7 | 90720 |
8 | 987840 |
9 | 11612160 |
10 | 146966400 |
11 | 1995840000 |
12 | 28979596800 |
13 | 448345497600 |
14 | 7366565606400 |
15 | 128152088064000 |
16 | 2353813862400000 |
17 | 45527990796288000 |
18 | 925143000477696000 |
[1,12,108,960,9000,90720,987840,11612160, 146966400,1995840000,28979596800,448345497600, 7366565606400,128152088064000,2353813862400000, 45527990796288000,925143000477696000] |