n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 41 |
4 | 231 |
5 | 1289 |
6 | 7183 |
7 | 40081 |
8 | 224143 |
9 | 1256465 |
10 | 7059735 |
11 | 39753273 |
12 | 224298231 |
13 | 1267854873 |
14 | 7178461215 |
15 | 40704778785 |
16 | 231128079903 |
17 | 1314016698401 |
18 | 7478998203943 |
19 | 42612705597769 |
20 | 243025194476551 |
21 | 1387226559025961 |
22 | 7924982285747247 |
[1,7,41,231,1289,7183,40081,224143,1256465, 7059735,39753273,224298231,1267854873,7178461215, 40704778785,231128079903,1314016698401, 7478998203943,42612705597769,243025194476551, 1387226559025961,7924982285747247] |