n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 5 |
5 | 8 |
6 | 61 |
7 | 136 |
8 | 1385 |
9 | 3968 |
10 | 50521 |
11 | 176896 |
12 | 2702765 |
13 | 260096 |
14 | 199360981 |
15 | 951878656 |
16 | 19391512145 |
17 | 104932671488 |
18 | 2404879675441 |
19 | 14544442556416 |
20 | 74074237647505 |
21 | 2475749026562048 |
22 | 69348874393137901 |
23 | 507711943253426176 |
[1,1,1,5,8,61,136,1385,3968,50521,176896,2702765, 260096,199360981,951878656,19391512145, 104932671488,2404879675441,14544442556416, 74074237647505,2475749026562048,69348874393137901, 507711943253426176] |