n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 3 |
7 | 7 |
8 | 14 |
9 | 39 |
10 | 110 |
11 | 377 |
12 | 1728 |
13 | 8445 |
14 | 46261 |
15 | 295085 |
16 | 2140608 |
17 | 18281422 |
18 | 182971434 |
19 | 2102657419 |
20 | 27813973723 |
21 | 424019281880 |
22 | 7465054408643 |
23 | 152329530023565 |
24 | 3599461276657166 |
25 | 98302190158216996 |
26 | 3100794527661403207 |
[1,1,1,1,1,3,7,14,39,110,377,1728,8445,46261, 295085,2140608,18281422,182971434,2102657419, 27813973723,424019281880,7465054408643, 152329530023565,3599461276657166, 98302190158216996,3100794527661403207] |