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| n | a(n) |
|---|---|
| 0 | 28 |
| 1 | 505 |
| 2 | 533 |
| 3 | 1571 |
| 4 | 8388 |
| 5 | 9959 |
| 6 | 88060 |
| 7 | 98019 |
| 8 | 186079 |
| 9 | 5122152 |
| 10 | 5308231 |
| 11 | 10430383 |
| 12 | 88751295 |
| 13 | 99181678 |
| 14 | 584659685 |
| 15 | 1268501048 |
| 16 | 1853160733 |
| 17 | 34625394242 |
| 18 | 1940875238285 |
| 19 | 34970379683372 |
| 20 | 36911254921657 |
[28,505,533,1571,8388,9959,88060,98019,186079, 5122152,5308231,10430383,88751295,99181678, 584659685,1268501048,1853160733,34625394242, 1940875238285,34970379683372,36911254921657] |