n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 7 |
4 | 23 |
5 | 61 |
6 | 207 |
7 | 631 |
8 | 2111 |
9 | 6901 |
10 | 23183 |
11 | 77749 |
12 | 263807 |
13 | 896403 |
14 | 3063147 |
15 | 10493077 |
16 | 36060927 |
17 | 124198397 |
18 | 428708475 |
19 | 1482448439 |
20 | 5134798223 |
21 | 17811210781 |
22 | 61864011135 |
23 | 215127430973 |
24 | 748898387039 |
25 | 2609615501811 |
26 | 9101687173595 |
[1,3,7,23,61,207,631,2111,6901,23183,77749,263807, 896403,3063147,10493077,36060927,124198397, 428708475,1482448439,5134798223,17811210781, 61864011135,215127430973,748898387039, 2609615501811,9101687173595] |