n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 7 |
5 | 33 |
6 | 33 |
7 | 225 |
8 | 405 |
9 | 1305 |
10 | 1235 |
11 | 13635 |
12 | 13635 |
13 | 177705 |
14 | 170775 |
15 | 170181 |
16 | 359073 |
17 | 6106815 |
18 | 5919705 |
19 | 112887225 |
20 | 109706355 |
21 | 110362725 |
22 | 107787735 |
[1,1,3,7,33,33,225,405,1305,1235,13635,13635, 177705,170775,170181,359073,6106815,5919705, 112887225,109706355,110362725,107787735] |