n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 13 |
8 | 33 |
9 | 61 |
10 | 131 |
11 | 505 |
12 | 1541 |
13 | 6387 |
14 | 29305 |
15 | 198459 |
16 | 1139657 |
17 | 7455433 |
18 | 47764793 |
19 | 415936701 |
20 | 3457440839 |
21 | 39284046163 |
22 | 428565300485 |
23 | 6364187322071 |
[1,1,1,1,1,1,13,33,61,131,505,1541,6387,29305, 198459,1139657,7455433,47764793,415936701, 3457440839,39284046163,428565300485,6364187322071] |