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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 3 |
| 2 | 5 |
| 3 | 6 |
| 4 | 6 |
| 5 | 9 |
| 6 | 11 |
| 7 | 12 |
| 8 | 12 |
| 9 | 15 |
| 10 | 17 |
| 11 | 18 |
| 12 | 18 |
| 13 | 21 |
| 14 | 23 |
| 15 | 24 |
| 16 | 24 |
| 17 | 27 |
| 18 | 29 |
| 19 | 30 |
| 20 | 30 |
| 21 | 33 |
| 22 | 35 |
| 23 | 36 |
| 24 | 36 |
| 25 | 39 |
| 26 | 41 |
| 27 | 42 |
| 28 | 42 |
| 29 | 45 |
| 30 | 47 |
| 31 | 48 |
| 32 | 48 |
| 33 | 51 |
| 34 | 53 |
| 35 | 54 |
| 36 | 54 |
| 37 | 57 |
| 38 | 59 |
| 39 | 60 |
| 40 | 60 |
| 41 | 63 |
| 42 | 65 |
| 43 | 66 |
| 44 | 66 |
| 45 | 69 |
| 46 | 71 |
| 47 | 72 |
| 48 | 72 |
| 49 | 75 |
| 50 | 77 |
| 51 | 78 |
| 52 | 78 |
| 53 | 81 |
| 54 | 83 |
| 55 | 84 |
| 56 | 84 |
| 57 | 87 |
| 58 | 89 |
| 59 | 90 |
| 60 | 90 |
| 61 | 93 |
| 62 | 95 |
| 63 | 96 |
| 64 | 96 |
| 65 | 99 |
[0,3,5,6,6,9,11,12,12,15,17,18,18,21,23,24,24,27, 29,30,30,33,35,36,36,39,41,42,42,45,47,48,48,51, 53,54,54,57,59,60,60,63,65,66,66,69,71,72,72,75, 77,78,78,81,83,84,84,87,89,90,90,93,95,96,96,99] |