n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 60 |
3 | 648 |
4 | 7344 |
5 | 85536 |
6 | 1014336 |
7 | 12182400 |
8 | 147702528 |
9 | 1803907584 |
10 | 22159733760 |
11 | 273508669440 |
12 | 3389106769920 |
13 | 42134712606720 |
14 | 525323149885440 |
15 | 6565657319866368 |
16 | 82235651779657728 |
17 | 1031956779869798400 |
[1,6,60,648,7344,85536,1014336,12182400,147702528, 1803907584,22159733760,273508669440,3389106769920, 42134712606720,525323149885440,6565657319866368, 82235651779657728,1031956779869798400] |