n | a(n) |
---|---|
0 | 2 |
1 | 5 |
2 | 34 |
3 | 390 |
4 | 6168 |
5 | 123000 |
6 | 2949840 |
7 | 82580400 |
8 | 2642451840 |
9 | 95127177600 |
10 | 3805076217600 |
11 | 167423233824000 |
12 | 8036313786547200 |
13 | 417888298219392000 |
14 | 23401744438751078400 |
15 | 1404104662402041600000 |
16 | 89862698330962292736000 |
[2,5,34,390,6168,123000,2949840,82580400, 2642451840,95127177600,3805076217600, 167423233824000,8036313786547200, 417888298219392000,23401744438751078400, 1404104662402041600000,89862698330962292736000] |