n | a(n) |
---|---|
1 | 1 |
2 | 11 |
3 | 39 |
4 | 543 |
5 | 2391 |
6 | 9559 |
7 | 38231 |
8 | 152919 |
9 | 611671 |
10 | 2446679 |
11 | 9786711 |
12 | 39146839 |
13 | 156587351 |
14 | 626349399 |
15 | 2505397591 |
16 | 10021590359 |
17 | 40086361431 |
18 | 160345445719 |
19 | 641381782871 |
20 | 2565527131479 |
21 | 10262108525911 |
22 | 41048434103639 |
23 | 164193736414551 |
24 | 656774945658199 |
25 | 2627099782632791 |
[1,11,39,543,2391,9559,38231,152919,611671, 2446679,9786711,39146839,156587351,626349399, 2505397591,10021590359,40086361431,160345445719, 641381782871,2565527131479,10262108525911, 41048434103639,164193736414551,656774945658199, 2627099782632791] |