n | a(n) |
---|---|
1 | 1 |
2 | 9 |
3 | 49 |
4 | 265 |
5 | 1281 |
6 | 6201 |
7 | 28673 |
8 | 131337 |
9 | 589873 |
10 | 2622729 |
11 | 11534337 |
12 | 50338105 |
13 | 218103809 |
14 | 939552777 |
15 | 4026533169 |
16 | 17180000521 |
17 | 73014444033 |
18 | 309238241337 |
19 | 1305670057985 |
20 | 5497560761865 |
21 | 23089744212017 |
22 | 96757034778633 |
23 | 404620279021569 |
24 | 1688849910733113 |
[1,9,49,265,1281,6201,28673,131337,589873,2622729, 11534337,50338105,218103809,939552777,4026533169, 17180000521,73014444033,309238241337, 1305670057985,5497560761865,23089744212017, 96757034778633,404620279021569,1688849910733113] |