n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 5 |
8 | 19 |
9 | 45 |
10 | 71 |
11 | 181 |
12 | 579 |
13 | 2359 |
14 | 9473 |
15 | 49633 |
16 | 219719 |
17 | 1381673 |
18 | 7390193 |
19 | 56382323 |
20 | 390282737 |
21 | 3729442205 |
22 | 31973256841 |
[1,1,1,1,1,1,5,19,45,71,181,579,2359,9473,49633, 219719,1381673,7390193,56382323,390282737, 3729442205,31973256841] |