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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 7 |
| 7 | 6 |
| 8 | 8 |
| 9 | 9 |
| 10 | 12 |
| 11 | 10 |
| 12 | 13 |
| 13 | 15 |
| 14 | 20 |
| 15 | 11 |
| 16 | 14 |
| 17 | 16 |
| 18 | 21 |
| 19 | 17 |
| 20 | 22 |
| 21 | 25 |
| 22 | 33 |
| 23 | 18 |
| 24 | 23 |
| 25 | 26 |
| 26 | 34 |
| 27 | 28 |
| 28 | 36 |
| 29 | 41 |
| 30 | 54 |
| 31 | 19 |
| 32 | 24 |
| 33 | 27 |
| 34 | 35 |
| 35 | 29 |
| 36 | 37 |
| 37 | 42 |
| 38 | 55 |
| 39 | 30 |
| 40 | 38 |
| 41 | 43 |
| 42 | 56 |
| 43 | 46 |
| 44 | 59 |
| 45 | 67 |
| 46 | 88 |
| 47 | 31 |
| 48 | 39 |
| 49 | 44 |
| 50 | 57 |
| 51 | 47 |
| 52 | 60 |
| 53 | 68 |
| 54 | 89 |
| 55 | 49 |
| 56 | 62 |
| 57 | 70 |
| 58 | 91 |
| 59 | 75 |
| 60 | 96 |
| 61 | 109 |
| 62 | 143 |
| 63 | 32 |
| 64 | 40 |
| 65 | 45 |
| 66 | 58 |
| 67 | 48 |
| 68 | 61 |
| 69 | 69 |
| 70 | 90 |
| 71 | 50 |
| 72 | 63 |
[1,2,3,4,5,7,6,8,9,12,10,13,15,20,11,14,16,21,17, 22,25,33,18,23,26,34,28,36,41,54,19,24,27,35,29, 37,42,55,30,38,43,56,46,59,67,88,31,39,44,57,47, 60,68,89,49,62,70,91,75,96,109,143,32,40,45,58,48, 61,69,90,50,63] |