n | a(n) |
---|---|
3 | 6 |
4 | 8 |
5 | 40 |
6 | 176 |
7 | 1421 |
8 | 10352 |
9 | 93114 |
10 | 912920 |
11 | 9929997 |
12 | 117970704 |
13 | 1521176826 |
14 | 21150414880 |
15 | 315400444070 |
16 | 5020920314016 |
17 | 84979755347122 |
18 | 1523710321272384 |
19 | 28851091193764023 |
20 | 575253584489378040 |
21 | 12047084261153160394 |
22 | 264377395040950523112 |
23 | 6066972656940255290199 |
[6,8,40,176,1421,10352,93114,912920,9929997, 117970704,1521176826,21150414880,315400444070, 5020920314016,84979755347122,1523710321272384, 28851091193764023,575253584489378040, 12047084261153160394,264377395040950523112, 6066972656940255290199] |