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| n | a(n) |
|---|---|
| 1 | 15 |
| 2 | 143 |
| 3 | 3599 |
| 4 | 5183 |
| 5 | 11663 |
| 6 | 32399 |
| 7 | 36863 |
| 8 | 51983 |
| 9 | 57599 |
| 10 | 97343 |
| 11 | 121103 |
| 12 | 176399 |
| 13 | 186623 |
| 14 | 359999 |
| 15 | 435599 |
| 16 | 685583 |
| 17 | 1040399 |
| 18 | 1065023 |
| 19 | 1192463 |
| 20 | 1327103 |
| 21 | 1742399 |
| 22 | 2039183 |
| 23 | 2108303 |
| 24 | 2214143 |
| 25 | 2585663 |
| 26 | 2624399 |
| 27 | 2782223 |
[15,143,3599,5183,11663,32399,36863,51983,57599, 97343,121103,176399,186623,359999,435599,685583, 1040399,1065023,1192463,1327103,1742399,2039183, 2108303,2214143,2585663,2624399,2782223] |