n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 43 |
4 | 253 |
5 | 1477 |
6 | 8611 |
7 | 50191 |
8 | 292537 |
9 | 1705033 |
10 | 9937663 |
11 | 57920947 |
12 | 337588021 |
13 | 1967607181 |
14 | 11468055067 |
15 | 66840723223 |
16 | 389576284273 |
17 | 2270616982417 |
18 | 13234125610231 |
19 | 77134136678971 |
20 | 449570694463597 |
21 | 2620290030102613 |
22 | 15272169486152083 |
23 | 89012726886809887 |
24 | 518804191834707241 |
[1,7,43,253,1477,8611,50191,292537,1705033, 9937663,57920947,337588021,1967607181,11468055067, 66840723223,389576284273,2270616982417, 13234125610231,77134136678971,449570694463597, 2620290030102613,15272169486152083, 89012726886809887,518804191834707241] |