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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 6 |
| 3 | 66 |
| 4 | 561 |
| 5 | 726 |
| 6 | 7107 |
| 7 | 8205 |
| 8 | 8646 |
| 9 | 62745 |
| 10 | 100101 |
| 11 | 140097 |
| 12 | 166521 |
| 13 | 237381 |
| 14 | 237945 |
| 15 | 566805 |
| 16 | 656601 |
| 17 | 876129 |
| 18 | 1053426 |
| 19 | 1095186 |
| 20 | 1194285 |
| 21 | 1234806 |
| 22 | 1590513 |
| 23 | 1598871 |
| 24 | 1938021 |
| 25 | 2381259 |
| 26 | 2518041 |
| 27 | 3426081 |
| 28 | 4125441 |
| 29 | 5398401 |
| 30 | 5454681 |
| 31 | 5489121 |
| 32 | 5720331 |
| 33 | 5961441 |
[3,6,66,561,726,7107,8205,8646,62745,100101, 140097,166521,237381,237945,566805,656601,876129, 1053426,1095186,1194285,1234806,1590513,1598871, 1938021,2381259,2518041,3426081,4125441,5398401, 5454681,5489121,5720331,5961441] |