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| n | a(n) |
|---|---|
| 1 | 21 |
| 2 | 189 |
| 3 | 525 |
| 4 | 567 |
| 5 | 1134 |
| 6 | 1365 |
| 7 | 1533 |
| 8 | 4599 |
| 9 | 4725 |
| 10 | 9198 |
| 11 | 10773 |
| 12 | 12285 |
| 13 | 34125 |
| 14 | 36855 |
| 15 | 38325 |
| 16 | 73710 |
| 17 | 86037 |
| 18 | 87381 |
| 19 | 96957 |
| 20 | 98301 |
| 21 | 269325 |
| 22 | 294903 |
| 23 | 307125 |
| 24 | 589806 |
| 25 | 688149 |
| 26 | 700245 |
| 27 | 774333 |
| 28 | 786429 |
| 29 | 2150925 |
| 30 | 2184525 |
| 31 | 2322999 |
| 32 | 2359287 |
| 33 | 2423925 |
| 34 | 2457525 |
| 35 | 4645998 |
| 36 | 4718574 |
| 37 | 5505045 |
| 38 | 5515797 |
| 39 | 5592405 |
| 40 | 5603157 |
| 41 | 6193341 |
| 42 | 6204093 |
| 43 | 6280701 |
| 44 | 6291453 |
[21,189,525,567,1134,1365,1533,4599,4725,9198, 10773,12285,34125,36855,38325,73710,86037,87381, 96957,98301,269325,294903,307125,589806,688149, 700245,774333,786429,2150925,2184525,2322999, 2359287,2423925,2457525,4645998,4718574,5505045, 5515797,5592405,5603157,6193341,6204093,6280701, 6291453] |