n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 18 |
4 | 768 |
5 | 90000 |
6 | 44789760 |
7 | 30494620800 |
8 | 121762322841600 |
9 | 393644011735296000 |
10 | 5618427494400000000000 |
11 | 107587910030480590233600000 |
12 | 5951222311476064581656248320000 |
13 | 176804782652901880753915871232000000 |
14 | 69819090744423637487544223697731584000000 |
[1,2,18,768,90000,44789760,30494620800, 121762322841600,393644011735296000, 5618427494400000000000, 107587910030480590233600000, 5951222311476064581656248320000, 176804782652901880753915871232000000, 69819090744423637487544223697731584000000] |