n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 9 |
4 | 41 |
5 | 183 |
6 | 1145 |
7 | 6835 |
8 | 52043 |
9 | 398441 |
10 | 3577291 |
11 | 32395905 |
12 | 342875813 |
13 | 3603992759 |
14 | 42817702673 |
15 | 518311440987 |
16 | 6897155535843 |
17 | 93092680608025 |
18 | 1376879589495555 |
19 | 20561329595474713 |
20 | 333009853668160757 |
21 | 5480574201430489831 |
22 | 96322698607644959065 |
[1,1,3,9,41,183,1145,6835,52043,398441,3577291, 32395905,342875813,3603992759,42817702673, 518311440987,6897155535843,93092680608025, 1376879589495555,20561329595474713, 333009853668160757,5480574201430489831, 96322698607644959065] |