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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 7 |
| 5 | 9 |
| 6 | 11 |
| 7 | 11 |
| 8 | 13 |
| 9 | 15 |
| 10 | 17 |
| 11 | 16 |
| 12 | 18 |
| 13 | 20 |
| 14 | 22 |
| 15 | 24 |
| 16 | 22 |
| 17 | 24 |
| 18 | 26 |
| 19 | 28 |
| 20 | 30 |
| 21 | 32 |
| 22 | 29 |
| 23 | 31 |
| 24 | 33 |
| 25 | 35 |
| 26 | 37 |
| 27 | 39 |
| 28 | 41 |
| 29 | 37 |
| 30 | 39 |
| 31 | 41 |
| 32 | 43 |
| 33 | 45 |
| 34 | 47 |
| 35 | 49 |
| 36 | 51 |
| 37 | 46 |
| 38 | 48 |
| 39 | 50 |
| 40 | 52 |
| 41 | 54 |
| 42 | 56 |
| 43 | 58 |
| 44 | 60 |
| 45 | 62 |
| 46 | 56 |
| 47 | 58 |
| 48 | 60 |
| 49 | 62 |
| 50 | 64 |
| 51 | 66 |
| 52 | 68 |
| 53 | 70 |
| 54 | 72 |
| 55 | 74 |
| 56 | 67 |
| 57 | 69 |
| 58 | 71 |
| 59 | 73 |
| 60 | 75 |
| 61 | 77 |
| 62 | 79 |
| 63 | 81 |
| 64 | 83 |
| 65 | 85 |
| 66 | 87 |
[2,4,6,7,9,11,11,13,15,17,16,18,20,22,24,22,24,26, 28,30,32,29,31,33,35,37,39,41,37,39,41,43,45,47, 49,51,46,48,50,52,54,56,58,60,62,56,58,60,62,64, 66,68,70,72,74,67,69,71,73,75,77,79,81,83,85,87] |