n | a(n) |
---|---|
1 | 7 |
2 | 19 |
3 | 41 |
4 | 199 |
5 | 919 |
6 | 5741 |
7 | 18089 |
8 | 41651 |
9 | 90271 |
10 | 446081 |
11 | 1276001 |
12 | 27033161 |
13 | 43220449 |
14 | 53308529 |
15 | 109245401 |
16 | 512669249 |
17 | 663929729 |
18 | 2266639649 |
19 | 2560742911 |
20 | 2969200961 |
21 | 8505402751 |
22 | 32540473601 |
23 | 61573368401 |
24 | 74335064959 |
25 | 109494811999 |
[7,19,41,199,919,5741,18089,41651,90271,446081, 1276001,27033161,43220449,53308529,109245401, 512669249,663929729,2266639649,2560742911, 2969200961,8505402751,32540473601,61573368401, 74335064959,109494811999] |