n | a(n) |
---|---|
2 | 1 |
3 | 9 |
4 | 54 |
5 | 4730 |
6 | 384345 |
7 | 17551611 |
8 | 639200583 |
9 | 21540673143 |
10 | 709364141280 |
11 | 22449552443395 |
12 | 690983408959437 |
13 | 20713553342449344 |
14 | 594627688939323130 |
15 | 16245942354519666285 |
16 | 424430686079103349170 |
17 | 10684143371864906288080 |
[1,9,54,4730,384345,17551611,639200583, 21540673143,709364141280,22449552443395, 690983408959437,20713553342449344, 594627688939323130,16245942354519666285, 424430686079103349170,10684143371864906288080] |