n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 11 |
6 | 29 |
7 | 81 |
8 | 229 |
9 | 696 |
10 | 2181 |
11 | 7045 |
12 | 23653 |
13 | 81433 |
14 | 288173 |
15 | 1046814 |
16 | 3887749 |
17 | 14768783 |
18 | 57275541 |
19 | 226462801 |
20 | 912443397 |
21 | 3741515804 |
22 | 15603500797 |
23 | 66134448329 |
24 | 284660214181 |
25 | 1243605590897 |
26 | 5511058189989 |
27 | 24760003963802 |
28 | 112726590916645 |
[1,1,1,2,5,11,29,81,229,696,2181,7045,23653,81433, 288173,1046814,3887749,14768783,57275541, 226462801,912443397,3741515804,15603500797, 66134448329,284660214181,1243605590897, 5511058189989,24760003963802,112726590916645] |