n | a(n) |
---|---|
0 | 17 |
1 | 73 |
2 | 241 |
3 | 1009 |
4 | 2641 |
5 | 8089 |
6 | 18001 |
7 | 53881 |
8 | 87481 |
9 | 117049 |
10 | 515761 |
11 | 1083289 |
12 | 3206641 |
13 | 3818929 |
14 | 9257329 |
15 | 22000801 |
16 | 48473881 |
17 | 48473881 |
18 | 175244281 |
19 | 427733329 |
20 | 427733329 |
21 | 898716289 |
22 | 2805544681 |
23 | 2805544681 |
24 | 2805544681 |
[17,73,241,1009,2641,8089,18001,53881,87481, 117049,515761,1083289,3206641,3818929,9257329, 22000801,48473881,48473881,175244281,427733329, 427733329,898716289,2805544681,2805544681, 2805544681] |