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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 4 |
| 3 | 18 |
| 4 | 26 |
| 5 | 63 |
| 6 | 78 |
| 7 | 146 |
| 8 | 168 |
| 9 | 276 |
| 10 | 318 |
| 11 | 477 |
| 12 | 533 |
| 13 | 753 |
| 14 | 839 |
| 15 | 1130 |
| 16 | 1235 |
| 17 | 1606 |
| 18 | 1732 |
| 19 | 2192 |
| 20 | 2360 |
| 21 | 2919 |
| 22 | 3113 |
| 23 | 3781 |
| 24 | 4002 |
| 25 | 4788 |
| 26 | 5065 |
| 27 | 5980 |
| 28 | 6290 |
| 29 | 7342 |
| 30 | 7717 |
| 31 | 8918 |
| 32 | 9332 |
| 33 | 10691 |
| 34 | 11146 |
| 35 | 12672 |
| 36 | 13205 |
| 37 | 14908 |
| 38 | 15487 |
| 39 | 17377 |
| 40 | 18044 |
| 41 | 20131 |
| 42 | 20849 |
| 43 | 23142 |
| 44 | 23913 |
| 45 | 26421 |
[3,4,18,26,63,78,146,168,276,318,477,533,753,839, 1130,1235,1606,1732,2192,2360,2919,3113,3781,4002, 4788,5065,5980,6290,7342,7717,8918,9332,10691, 11146,12672,13205,14908,15487,17377,18044,20131, 20849,23142,23913,26421] |