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| n | a(n) |
|---|---|
| 1 | 1729 |
| 2 | 172081 |
| 3 | 294409 |
| 4 | 1773289 |
| 5 | 4463641 |
| 6 | 56052361 |
| 7 | 118901521 |
| 8 | 172947529 |
| 9 | 216821881 |
| 10 | 228842209 |
| 11 | 295643089 |
| 12 | 798770161 |
| 13 | 1150270849 |
| 14 | 1299963601 |
| 15 | 1504651681 |
| 16 | 1976295241 |
| 17 | 2301745249 |
| 18 | 9624742921 |
| 19 | 11346205609 |
| 20 | 13079177569 |
[1729,172081,294409,1773289,4463641,56052361, 118901521,172947529,216821881,228842209,295643089, 798770161,1150270849,1299963601,1504651681, 1976295241,2301745249,9624742921,11346205609, 13079177569] |