| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 7 |
| 4 | 9 |
| 5 | 319 |
| 6 | 975 |
| 7 | 75 |
| 8 | 7531 |
| 9 | 19 |
| 10 | 197531975319 |
| 11 | 3197 |
| 12 | 75 |
| 13 | 5319 |
| 14 | 319 |
| 15 | 31 |
| 16 | 3197531975319 |
| 17 | 53197531975 |
| 18 | 1975319 |
| 19 | 975 |
| 20 | 531975 |
| 21 | 1975319753197 |
| 22 | 19753197531975 |
| 23 | 75319753197531 |
| 24 | 319753197531975319 |
| 25 | 753197531975319753 |
[1,3,5,7,9,319,975,75,7531,19,197531975319,3197, 75,5319,319,31,3197531975319,53197531975,1975319, 975,531975,1975319753197,19753197531975, 75319753197531,319753197531975319, 753197531975319753] |