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| n | a(n) |
|---|---|
| 1 | 28 |
| 2 | 31 |
| 3 | 33 |
| 4 | 84 |
| 5 | 87 |
| 6 | 103 |
| 7 | 174 |
| 8 | 414 |
| 9 | 574 |
| 10 | 687 |
| 11 | 780 |
| 12 | 1111 |
| 13 | 1449 |
| 14 | 1860 |
| 15 | 6964 |
| 16 | 7708 |
| 17 | 11700 |
| 18 | 17428 |
| 19 | 19398 |
| 20 | 19876 |
| 21 | 78391 |
| 22 | 131305 |
| 23 | 136564 |
| 24 | 181684 |
[28,31,33,84,87,103,174,414,574,687,780,1111,1449, 1860,6964,7708,11700,17428,19398,19876,78391, 131305,136564,181684] |