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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 9 |
| 3 | 27 |
| 4 | 61 |
| 5 | 108 |
| 6 | 178 |
| 7 | 276 |
| 8 | 395 |
| 9 | 549 |
| 10 | 743 |
| 11 | 966 |
| 12 | 1236 |
| 13 | 1558 |
| 14 | 1917 |
| 15 | 2335 |
| 16 | 2817 |
| 17 | 3344 |
| 18 | 3942 |
| 19 | 4616 |
| 20 | 5343 |
| 21 | 6153 |
| 22 | 7051 |
| 23 | 8010 |
| 24 | 9064 |
| 25 | 10218 |
| 26 | 11441 |
| 27 | 12771 |
| 28 | 14213 |
| 29 | 15732 |
| 30 | 17370 |
| 31 | 19132 |
| 32 | 20979 |
| 33 | 22957 |
| 34 | 25071 |
| 35 | 27278 |
| 36 | 29628 |
| 37 | 32126 |
| 38 | 34725 |
| 39 | 37479 |
| 40 | 40393 |
| 41 | 43416 |
| 42 | 46606 |
| 43 | 49968 |
[2,9,27,61,108,178,276,395,549,743,966,1236,1558, 1917,2335,2817,3344,3942,4616,5343,6153,7051,8010, 9064,10218,11441,12771,14213,15732,17370,19132, 20979,22957,25071,27278,29628,32126,34725,37479, 40393,43416,46606,49968] |