n | a(n) |
---|---|
1 | 1 |
2 | 12 |
3 | 240 |
4 | 7000 |
5 | 272160 |
6 | 13311144 |
7 | 787218432 |
8 | 54717165360 |
9 | 4375800000000 |
10 | 396040894180360 |
11 | 40038615905992704 |
12 | 4473490414613093328 |
13 | 547532797546896179200 |
14 | 72869747140722656250000 |
15 | 10478808079059531910348800 |
16 | 1619337754490833097114916960 |
[1,12,240,7000,272160,13311144,787218432, 54717165360,4375800000000,396040894180360, 40038615905992704,4473490414613093328, 547532797546896179200,72869747140722656250000, 10478808079059531910348800, 1619337754490833097114916960] |