n | a(n) |
---|---|
8 | 5040 |
9 | 362880 |
10 | 18144000 |
11 | 804988800 |
12 | 34488115200 |
13 | 1482082842240 |
14 | 65120246231040 |
15 | 2955402450000000 |
16 | 139296260790086400 |
17 | 6837541748945107200 |
18 | 349978565353512775680 |
19 | 18685433917574232157440 |
20 | 1040347501174674201600000 |
21 | 60368458528123335777196800 |
[5040,362880,18144000,804988800,34488115200, 1482082842240,65120246231040,2955402450000000, 139296260790086400,6837541748945107200, 349978565353512775680,18685433917574232157440, 1040347501174674201600000, 60368458528123335777196800] |