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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 2 |
| 6 | 5 |
| 7 | 3 |
| 8 | 8 |
| 9 | 5 |
| 10 | 10 |
| 11 | 6 |
| 12 | 13 |
| 13 | 7 |
| 14 | 15 |
| 15 | 9 |
| 16 | 19 |
| 17 | 10 |
| 18 | 22 |
| 19 | 11 |
| 20 | 25 |
| 21 | 13 |
| 22 | 27 |
| 23 | 14 |
| 24 | 31 |
| 25 | 16 |
| 26 | 33 |
| 27 | 19 |
| 28 | 36 |
| 29 | 20 |
| 30 | 39 |
| 31 | 21 |
| 32 | 44 |
| 33 | 23 |
| 34 | 46 |
| 35 | 25 |
| 36 | 50 |
| 37 | 26 |
| 38 | 52 |
| 39 | 28 |
| 40 | 56 |
| 41 | 29 |
| 42 | 59 |
| 43 | 30 |
| 44 | 62 |
| 45 | 33 |
| 46 | 64 |
| 47 | 34 |
| 48 | 69 |
| 49 | 36 |
| 50 | 72 |
| 51 | 38 |
| 52 | 75 |
| 53 | 39 |
| 54 | 79 |
| 55 | 41 |
| 56 | 83 |
| 57 | 43 |
| 58 | 85 |
| 59 | 44 |
| 60 | 89 |
| 61 | 45 |
| 62 | 91 |
| 63 | 48 |
| 64 | 97 |
| 65 | 50 |
| 66 | 100 |
| 67 | 51 |
| 68 | 103 |
| 69 | 53 |
| 70 | 106 |
| 71 | 54 |
| 72 | 111 |
[0,1,1,3,2,5,3,8,5,10,6,13,7,15,9,19,10,22,11,25, 13,27,14,31,16,33,19,36,20,39,21,44,23,46,25,50, 26,52,28,56,29,59,30,62,33,64,34,69,36,72,38,75, 39,79,41,83,43,85,44,89,45,91,48,97,50,100,51,103, 53,106,54,111] |