n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 48 |
4 | 747 |
5 | 17040 |
6 | 531810 |
7 | 21634515 |
8 | 1107593235 |
9 | 69482175840 |
10 | 5229801016650 |
11 | 464302838867175 |
12 | 47939015445032250 |
13 | 5688437019459319125 |
14 | 767922887039461928775 |
15 | 116915022542869964287875 |
16 | 19922514312608630279431875 |
17 | 3774243527942494591068084000 |
18 | 790220453914362566924533955250 |
[1,1,5,48,747,17040,531810,21634515,1107593235, 69482175840,5229801016650,464302838867175, 47939015445032250,5688437019459319125, 767922887039461928775,116915022542869964287875, 19922514312608630279431875, 3774243527942494591068084000, 790220453914362566924533955250] |