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| n | a(n) |
|---|---|
| 1 | 18 |
| 2 | 27 |
| 3 | 153 |
| 4 | 803 |
| 5 | 1101 |
| 6 | 1503 |
| 7 | 1926 |
| 8 | 3070 |
| 9 | 3077 |
| 10 | 3546 |
| 11 | 4577 |
| 12 | 6246 |
| 13 | 6315 |
| 14 | 8717 |
| 15 | 10566 |
| 16 | 11646 |
| 17 | 14093 |
| 18 | 15310 |
| 19 | 15426 |
| 20 | 18456 |
| 21 | 24936 |
| 22 | 30617 |
| 23 | 33576 |
| 24 | 34326 |
| 25 | 43079 |
| 26 | 50418 |
| 27 | 59026 |
| 28 | 62004 |
| 29 | 69781 |
| 30 | 71009 |
| 31 | 71802 |
| 32 | 72587 |
| 33 | 74616 |
| 34 | 77593 |
| 35 | 80118 |
| 36 | 94056 |
| 37 | 110138 |
| 38 | 111546 |
| 39 | 112626 |
| 40 | 113166 |
[18,27,153,803,1101,1503,1926,3070,3077,3546,4577, 6246,6315,8717,10566,11646,14093,15310,15426, 18456,24936,30617,33576,34326,43079,50418,59026, 62004,69781,71009,71802,72587,74616,77593,80118, 94056,110138,111546,112626,113166] |