n | a(n) |
---|---|
1 | 15 |
2 | 35 |
3 | 269 |
4 | 1688 |
5 | 8964 |
6 | 44736 |
7 | 219216 |
8 | 1062133 |
9 | 5046678 |
10 | 23361295 |
11 | 105246826 |
12 | 462379361 |
13 | 1984693730 |
14 | 8329188237 |
15 | 34174571720 |
16 | 137072090506 |
17 | 537533392034 |
18 | 2061741321158 |
19 | 7738348853856 |
20 | 28437341923159 |
21 | 102381325106959 |
[15,35,269,1688,8964,44736,219216,1062133,5046678, 23361295,105246826,462379361,1984693730, 8329188237,34174571720,137072090506,537533392034, 2061741321158,7738348853856,28437341923159, 102381325106959] |