n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 3 |
8 | 7 |
9 | 15 |
10 | 29 |
11 | 61 |
12 | 211 |
13 | 895 |
14 | 3955 |
15 | 16593 |
16 | 80999 |
17 | 462679 |
18 | 3239573 |
19 | 25414255 |
20 | 222500583 |
21 | 2101470837 |
22 | 23313975471 |
23 | 290908388247 |
24 | 4246548210105 |
25 | 68354920234083 |
[1,1,1,1,1,1,3,7,15,29,61,211,895,3955,16593, 80999,462679,3239573,25414255,222500583, 2101470837,23313975471,290908388247,4246548210105, 68354920234083] |