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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 13 |
| 3 | 25 |
| 4 | 73 |
| 5 | 361 |
| 6 | 361 |
| 7 | 2521 |
| 8 | 2521 |
| 9 | 5041 |
| 10 | 5041 |
| 11 | 5041 |
| 12 | 5041 |
| 13 | 55441 |
| 14 | 55441 |
| 15 | 277201 |
| 16 | 3603601 |
| 17 | 10810801 |
| 18 | 10810801 |
| 19 | 10810801 |
| 20 | 21621601 |
| 21 | 21621601 |
| 22 | 367567201 |
| 23 | 367567201 |
| 24 | 367567201 |
[5,13,25,73,361,361,2521,2521,5041,5041,5041,5041, 55441,55441,277201,3603601,10810801,10810801, 10810801,21621601,21621601,367567201,367567201, 367567201] |