n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 12 |
4 | 58 |
5 | 293 |
6 | 1481 |
7 | 7484 |
8 | 37832 |
9 | 191285 |
10 | 967235 |
11 | 4890912 |
12 | 24731434 |
13 | 125057361 |
14 | 632367297 |
15 | 3197640264 |
16 | 16169248032 |
17 | 81761725337 |
18 | 413437887795 |
19 | 2090597850596 |
20 | 10571356673930 |
21 | 53455322317101 |
22 | 270303194968521 |
23 | 1366820253696484 |
[1,3,12,58,293,1481,7484,37832,191285,967235, 4890912,24731434,125057361,632367297,3197640264, 16169248032,81761725337,413437887795, 2090597850596,10571356673930,53455322317101, 270303194968521,1366820253696484] |