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| n | a(n) |
|---|---|
| 1 | 53 |
| 2 | 135 |
| 3 | 153 |
| 4 | 375 |
| 5 | 553 |
| 6 | 579 |
| 7 | 597 |
| 8 | 753 |
| 9 | 1135 |
| 10 | 1153 |
| 11 | 1575 |
| 12 | 1755 |
| 13 | 1795 |
| 14 | 1975 |
| 15 | 3375 |
| 16 | 3515 |
| 17 | 3551 |
| 18 | 3591 |
| 19 | 3735 |
| 20 | 3951 |
| 21 | 5175 |
| 22 | 5315 |
| 23 | 5351 |
| 24 | 5391 |
| 25 | 5553 |
| 26 | 5579 |
| 27 | 5597 |
| 28 | 5711 |
| 29 | 5715 |
| 30 | 5759 |
| 31 | 5773 |
| 32 | 5795 |
| 33 | 5931 |
| 34 | 5957 |
| 35 | 5975 |
| 36 | 7155 |
| 37 | 7195 |
| 38 | 7335 |
| 39 | 7511 |
| 40 | 7515 |
| 41 | 7559 |
| 42 | 7573 |
| 43 | 7595 |
| 44 | 7753 |
| 45 | 7915 |
| 46 | 7955 |
| 47 | 9175 |
| 48 | 9351 |
| 49 | 9531 |
| 50 | 9557 |
| 51 | 9575 |
| 52 | 9715 |
| 53 | 9755 |
[53,135,153,375,553,579,597,753,1135,1153,1575, 1755,1795,1975,3375,3515,3551,3591,3735,3951,5175, 5315,5351,5391,5553,5579,5597,5711,5715,5759,5773, 5795,5931,5957,5975,7155,7195,7335,7511,7515,7559, 7573,7595,7753,7915,7955,9175,9351,9531,9557,9575, 9715,9755] |