n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 7 |
8 | 9 |
9 | 21 |
10 | 33 |
11 | 561 |
12 | 1063 |
13 | 16239 |
14 | 37023 |
15 | 683049 |
16 | 1813981 |
17 | 73918361 |
18 | 233718771 |
19 | 15472778911 |
20 | 58161293145 |
21 | 6153586919161 |
22 | 27376781533955 |
23 | 5115790862761165 |
24 | 27018006547805491 |
25 | 8119404508895445151 |
[1,1,1,1,1,1,7,9,21,33,561,1063,16239,37023, 683049,1813981,73918361,233718771,15472778911, 58161293145,6153586919161,27376781533955, 5115790862761165,27018006547805491, 8119404508895445151] |