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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 289 |
| 3 | 676 |
| 4 | 9801 |
| 5 | 12168 |
| 6 | 235225 |
| 7 | 332929 |
| 8 | 465125 |
| 9 | 1825201 |
| 10 | 11309769 |
| 11 | 384199201 |
| 12 | 592192225 |
| 13 | 4931691076 |
| 14 | 5425069448 |
| 15 | 13051463049 |
| 16 | 221322261601 |
| 17 | 443365544449 |
| 18 | 865363202001 |
| 19 | 8192480787001 |
| 20 | 11968683934832 |
| 21 | 13325427460801 |
| 22 | 15061377048201 |
| 23 | 28821995554248 |
[9,289,676,9801,12168,235225,332929,465125, 1825201,11309769,384199201,592192225,4931691076, 5425069448,13051463049,221322261601,443365544449, 865363202001,8192480787001,11968683934832, 13325427460801,15061377048201,28821995554248] |