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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 9 |
| 5 | 11 |
| 6 | 12 |
| 7 | 15 |
| 8 | 16 |
| 9 | 18 |
| 10 | 19 |
| 11 | 21 |
| 12 | 24 |
| 13 | 25 |
| 14 | 27 |
| 15 | 30 |
| 16 | 32 |
| 17 | 34 |
| 18 | 36 |
| 19 | 37 |
| 20 | 39 |
| 21 | 40 |
| 22 | 42 |
| 23 | 44 |
| 24 | 46 |
| 25 | 47 |
| 26 | 48 |
| 27 | 51 |
| 28 | 53 |
| 29 | 54 |
| 30 | 55 |
| 31 | 56 |
| 32 | 58 |
| 33 | 59 |
| 34 | 62 |
| 35 | 63 |
| 36 | 66 |
| 37 | 68 |
| 38 | 72 |
| 39 | 73 |
| 40 | 74 |
| 41 | 77 |
| 42 | 80 |
| 43 | 82 |
| 44 | 84 |
| 45 | 87 |
| 46 | 88 |
| 47 | 91 |
| 48 | 92 |
| 49 | 94 |
| 50 | 97 |
| 51 | 99 |
| 52 | 101 |
| 53 | 102 |
| 54 | 103 |
| 55 | 106 |
| 56 | 107 |
| 57 | 108 |
| 58 | 110 |
| 59 | 111 |
| 60 | 112 |
| 61 | 114 |
| 62 | 115 |
| 63 | 118 |
[2,4,6,9,11,12,15,16,18,19,21,24,25,27,30,32,34, 36,37,39,40,42,44,46,47,48,51,53,54,55,56,58,59, 62,63,66,68,72,73,74,77,80,82,84,87,88,91,92,94, 97,99,101,102,103,106,107,108,110,111,112,114,115, 118] |