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| n | a(n) |
|---|---|
| 1 | 676 |
| 2 | 69696 |
| 3 | 94249 |
| 4 | 698896 |
| 5 | 5221225 |
| 6 | 6948496 |
| 7 | 522808225 |
| 8 | 617323716 |
| 9 | 942060249 |
| 10 | 10662526601 |
| 11 | 637832238736 |
| 12 | 1086078706801 |
| 13 | 1230127210321 |
| 14 | 1615108015161 |
| 15 | 4051154511504 |
| 16 | 5265533355625 |
| 17 | 9420645460249 |
| 18 | 123862676268321 |
| 19 | 144678292876441 |
| 20 | 165551171155561 |
| 21 | 900075181570009 |
[676,69696,94249,698896,5221225,6948496,522808225, 617323716,942060249,10662526601,637832238736, 1086078706801,1230127210321,1615108015161, 4051154511504,5265533355625,9420645460249, 123862676268321,144678292876441,165551171155561, 900075181570009] |