n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 3 |
8 | 7 |
9 | 16 |
10 | 39 |
11 | 109 |
12 | 339 |
13 | 1359 |
14 | 6341 |
15 | 32204 |
16 | 186717 |
17 | 1250465 |
18 | 9543435 |
19 | 82560858 |
20 | 815884422 |
21 | 9279731421 |
22 | 121699162939 |
23 | 1834559945393 |
24 | 31585819621707 |
[1,1,1,1,1,1,3,7,16,39,109,339,1359,6341,32204, 186717,1250465,9543435,82560858,815884422, 9279731421,121699162939,1834559945393, 31585819621707] |