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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 3 |
| 5 | 6 |
| 6 | 5 |
| 7 | 8 |
| 8 | 7 |
| 9 | 9 |
| 10 | 11 |
| 11 | 10 |
| 12 | 13 |
| 13 | 12 |
| 14 | 17 |
| 15 | 14 |
| 16 | 19 |
| 17 | 15 |
| 18 | 23 |
| 19 | 16 |
| 20 | 29 |
| 21 | 18 |
| 22 | 31 |
| 23 | 20 |
| 24 | 37 |
| 25 | 21 |
| 26 | 41 |
| 27 | 22 |
| 28 | 43 |
| 29 | 24 |
| 30 | 47 |
| 31 | 25 |
| 32 | 53 |
| 33 | 26 |
| 34 | 59 |
| 35 | 27 |
| 36 | 61 |
| 37 | 28 |
| 38 | 67 |
| 39 | 30 |
| 40 | 71 |
| 41 | 32 |
| 42 | 73 |
| 43 | 33 |
| 44 | 79 |
| 45 | 34 |
| 46 | 83 |
| 47 | 35 |
| 48 | 89 |
| 49 | 36 |
| 50 | 97 |
| 51 | 38 |
| 52 | 101 |
| 53 | 39 |
| 54 | 103 |
| 55 | 40 |
| 56 | 107 |
| 57 | 42 |
| 58 | 109 |
| 59 | 44 |
| 60 | 113 |
| 61 | 45 |
| 62 | 127 |
| 63 | 46 |
| 64 | 131 |
| 65 | 48 |
| 66 | 137 |
| 67 | 49 |
| 68 | 139 |
| 69 | 50 |
[1,2,4,3,6,5,8,7,9,11,10,13,12,17,14,19,15,23,16, 29,18,31,20,37,21,41,22,43,24,47,25,53,26,59,27, 61,28,67,30,71,32,73,33,79,34,83,35,89,36,97,38, 101,39,103,40,107,42,109,44,113,45,127,46,131,48, 137,49,139,50] |