| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 6 |
| 5 | 8 |
| 6 | 10 |
| 7 | 11 |
| 8 | 13 |
| 9 | 14 |
| 10 | 16 |
| 11 | 18 |
| 12 | 19 |
| 13 | 21 |
| 14 | 23 |
| 15 | 24 |
| 16 | 26 |
| 17 | 27 |
| 18 | 29 |
| 19 | 31 |
| 20 | 32 |
| 21 | 34 |
| 22 | 35 |
| 23 | 37 |
| 24 | 39 |
| 25 | 40 |
| 26 | 42 |
| 27 | 43 |
| 28 | 45 |
| 29 | 47 |
| 30 | 48 |
| 31 | 50 |
| 32 | 51 |
| 33 | 53 |
| 34 | 55 |
| 35 | 56 |
| 36 | 58 |
| 37 | 60 |
| 38 | 61 |
| 39 | 63 |
| 40 | 64 |
| 41 | 66 |
| 42 | 68 |
| 43 | 69 |
| 44 | 71 |
| 45 | 72 |
| 46 | 74 |
| 47 | 76 |
| 48 | 77 |
| 49 | 79 |
| 50 | 80 |
| 51 | 82 |
| 52 | 84 |
| 53 | 85 |
| 54 | 87 |
| 55 | 89 |
[0,2,3,5,6,8,10,11,13,14,16,18,19,21,23,24,26,27, 29,31,32,34,35,37,39,40,42,43,45,47,48,50,51,53, 55,56,58,60,61,63,64,66,68,69,71,72,74,76,77,79, 80,82,84,85,87,89] |