n | a(n) |
---|---|
1 | 7 |
2 | 47 |
3 | 307 |
4 | 1943 |
5 | 11827 |
6 | 69287 |
7 | 392707 |
8 | 2166743 |
9 | 11703187 |
10 | 62168327 |
11 | 325983907 |
12 | 1692105143 |
13 | 8714154547 |
14 | 44600020967 |
15 | 227161443907 |
16 | 1152585909143 |
17 | 5830444893907 |
18 | 29423488811207 |
19 | 148206112628707 |
20 | 745396075770743 |
21 | 3744474953809267 |
22 | 18792450661083047 |
[7,47,307,1943,11827,69287,392707,2166743, 11703187,62168327,325983907,1692105143,8714154547, 44600020967,227161443907,1152585909143, 5830444893907,29423488811207,148206112628707, 745396075770743,3744474953809267, 18792450661083047] |