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| n | a(n) |
|---|---|
| 1 | 173 |
| 2 | 347 |
| 3 | 823 |
| 4 | 907 |
| 5 | 1237 |
| 6 | 1697 |
| 7 | 2137 |
| 8 | 2333 |
| 9 | 2423 |
| 10 | 2473 |
| 11 | 2767 |
| 12 | 2777 |
| 13 | 3253 |
| 14 | 3413 |
| 15 | 3547 |
| 16 | 3559 |
| 17 | 3623 |
| 18 | 3767 |
| 19 | 4243 |
| 20 | 4273 |
| 21 | 4457 |
| 22 | 4547 |
| 23 | 4723 |
| 24 | 5091 |
| 25 | 5297 |
| 26 | 5861 |
| 27 | 6185 |
| 28 | 6197 |
| 29 | 6593 |
| 30 | 6823 |
| 31 | 6827 |
| 32 | 6871 |
| 33 | 7093 |
| 34 | 7247 |
| 35 | 7537 |
| 36 | 7717 |
| 37 | 7817 |
| 38 | 7823 |
| 39 | 7879 |
| 40 | 8243 |
[173,347,823,907,1237,1697,2137,2333,2423,2473, 2767,2777,3253,3413,3547,3559,3623,3767,4243,4273, 4457,4547,4723,5091,5297,5861,6185,6197,6593,6823, 6827,6871,7093,7247,7537,7717,7817,7823,7879,8243] |