n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 5 |
4 | 19 |
5 | 39 |
6 | 173 |
7 | 407 |
8 | 2025 |
9 | 5281 |
10 | 28787 |
11 | 81597 |
12 | 479851 |
13 | 1459015 |
14 | 9156093 |
15 | 29582303 |
16 | 196506001 |
17 | 669822849 |
18 | 4680247715 |
19 | 16737058997 |
20 | 122398824579 |
21 | 457140004519 |
22 | 3484655325197 |
23 | 13541735424615 |
24 | 107230543328761 |
25 | 432232193519521 |
26 | 3545227970258067 |
[1,1,3,5,19,39,173,407,2025,5281,28787,81597, 479851,1459015,9156093,29582303,196506001, 669822849,4680247715,16737058997,122398824579, 457140004519,3484655325197,13541735424615, 107230543328761,432232193519521,3545227970258067] |