n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 6 |
4 | 22 |
5 | 147 |
6 | 1443 |
7 | 18250 |
8 | 280394 |
9 | 5063363 |
10 | 105063363 |
11 | 2463011054 |
12 | 64380375278 |
13 | 1856540769315 |
14 | 58550453144611 |
15 | 2004745521503986 |
16 | 74062339559431922 |
17 | 2936485391069247715 |
18 | 124376016487663499491 |
[1,2,3,6,22,147,1443,18250,280394,5063363, 105063363,2463011054,64380375278,1856540769315, 58550453144611,2004745521503986,74062339559431922, 2936485391069247715,124376016487663499491] |