n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 17 |
4 | 71 |
5 | 317 |
6 | 1415 |
7 | 6197 |
8 | 26591 |
9 | 112157 |
10 | 466775 |
11 | 1923077 |
12 | 7863311 |
13 | 31972397 |
14 | 129459335 |
15 | 522571157 |
16 | 2104535231 |
17 | 8460991037 |
18 | 33972711095 |
19 | 136277478437 |
20 | 546270602351 |
21 | 2188566048077 |
22 | 8764718254055 |
23 | 35090241492917 |
[1,2,5,17,71,317,1415,6197,26591,112157,466775, 1923077,7863311,31972397,129459335,522571157, 2104535231,8460991037,33972711095,136277478437, 546270602351,2188566048077,8764718254055, 35090241492917] |