n | a(n) |
---|---|
0 | 1 |
1 | 23 |
2 | 506 |
3 | 11132 |
4 | 244904 |
5 | 5387888 |
6 | 118533536 |
7 | 2607737792 |
8 | 57370231424 |
9 | 1262145091328 |
10 | 27767192009216 |
11 | 610878224202752 |
12 | 13439320932460544 |
13 | 295665060514131968 |
14 | 6504631331310903296 |
15 | 143101889288839872512 |
16 | 3148241564354477195264 |
17 | 69261314415798498295808 |
18 | 1523748917147566962507776 |
[1,23,506,11132,244904,5387888,118533536, 2607737792,57370231424,1262145091328, 27767192009216,610878224202752,13439320932460544, 295665060514131968,6504631331310903296, 143101889288839872512,3148241564354477195264, 69261314415798498295808,1523748917147566962507776] |