| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 9 |
| 4 | 15 |
| 5 | 18 |
| 6 | 31 |
| 7 | 34 |
| 8 | 37 |
| 9 | 51 |
| 10 | 73 |
| 11 | 78 |
| 12 | 216 |
| 13 | 219 |
| 14 | 304 |
| 15 | 318 |
| 16 | 342 |
| 17 | 712 |
| 18 | 834 |
| 19 | 1095 |
| 20 | 1171 |
| 21 | 1368 |
| 22 | 1642 |
| 23 | 1845 |
| 24 | 2179 |
| 25 | 3502 |
| 26 | 3595 |
| 27 | 3762 |
| 28 | 3861 |
| 29 | 6717 |
| 30 | 9135 |
| 31 | 9624 |
| 32 | 10171 |
| 33 | 11161 |
| 34 | 15399 |
| 35 | 22099 |
| 36 | 23056 |
| 37 | 33424 |
| 38 | 34602 |
| 39 | 37654 |
| 40 | 47854 |
| 41 | 48843 |
| 42 | 51423 |
| 43 | 64216 |
| 44 | 67533 |
| 45 | 68463 |
| 46 | 86557 |
| 47 | 104241 |
[1,3,9,15,18,31,34,37,51,73,78,216,219,304,318, 342,712,834,1095,1171,1368,1642,1845,2179,3502, 3595,3762,3861,6717,9135,9624,10171,11161,15399, 22099,23056,33424,34602,37654,47854,48843,51423, 64216,67533,68463,86557,104241] |