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| n | a(n) |
|---|---|
| 1 | 21 |
| 2 | 36 |
| 3 | 8277 |
| 4 | 22987 |
| 5 | 31199 |
| 6 | 59577 |
| 7 | 2092101 |
| 8 | 25224589 |
| 9 | 29963201 |
| 10 | 564423629 |
| 11 | 1353149983 |
| 12 | 30011570617 |
| 13 | 37090609821 |
| 14 | 392629311959 |
[21,36,8277,22987,31199,59577,2092101,25224589, 29963201,564423629,1353149983,30011570617, 37090609821,392629311959] |