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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 9 |
| 4 | 18 |
| 5 | 20 |
| 6 | 56 |
| 7 | 126 |
| 8 | 168 |
| 9 | 180 |
| 10 | 198 |
| 11 | 280 |
| 12 | 342 |
| 13 | 352 |
| 14 | 414 |
| 15 | 432 |
| 16 | 441 |
| 17 | 486 |
| 18 | 504 |
| 19 | 558 |
| 20 | 616 |
| 21 | 625 |
| 22 | 728 |
| 23 | 774 |
| 24 | 832 |
| 25 | 846 |
| 26 | 952 |
| 27 | 1056 |
| 28 | 1062 |
| 29 | 1064 |
| 30 | 1089 |
| 31 | 1176 |
| 32 | 1206 |
| 33 | 1278 |
| 34 | 1288 |
| 35 | 1422 |
| 36 | 1494 |
| 37 | 1512 |
| 38 | 1624 |
| 39 | 1736 |
| 40 | 1760 |
| 41 | 1848 |
| 42 | 1854 |
| 43 | 1920 |
| 44 | 1926 |
| 45 | 2025 |
| 46 | 2072 |
| 47 | 2160 |
| 48 | 2286 |
| 49 | 2296 |
| 50 | 2358 |
[1,6,9,18,20,56,126,168,180,198,280,342,352,414, 432,441,486,504,558,616,625,728,774,832,846,952, 1056,1062,1064,1089,1176,1206,1278,1288,1422,1494, 1512,1624,1736,1760,1848,1854,1920,1926,2025,2072, 2160,2286,2296,2358] |