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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 23 |
| 3 | 31 |
| 4 | 44521 |
| 5 | 53 |
| 6 | 62 |
| 7 | 71 |
| 8 | 801765089 |
| 9 | 961 |
| 10 | 106 |
| 11 | 113 |
| 12 | 124 |
| 13 | 131 |
| 14 | 142 |
| 15 | 155 |
[1,23,31,44521,53,62,71,801765089,961,106,113,124, 131,142,155] |