n | a(n) |
---|---|
1 | 1 |
2 | 17 |
3 | 79 |
4 | 375 |
5 | 1793 |
6 | 8611 |
7 | 41473 |
8 | 200149 |
9 | 967355 |
10 | 4680655 |
11 | 22667487 |
12 | 109848049 |
13 | 532610303 |
14 | 2583482303 |
15 | 12535495657 |
16 | 60839746967 |
17 | 295338090269 |
18 | 1433900817213 |
19 | 6962605102325 |
20 | 33811619587041 |
21 | 164207415391765 |
[1,17,79,375,1793,8611,41473,200149,967355, 4680655,22667487,109848049,532610303,2583482303, 12535495657,60839746967,295338090269, 1433900817213,6962605102325,33811619587041, 164207415391765] |