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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 5 |
| 8 | 2 |
| 9 | 3 |
| 10 | 5 |
| 11 | 7 |
| 12 | 3 |
| 13 | 4 |
| 14 | 7 |
| 15 | 9 |
| 16 | 4 |
| 17 | 5 |
| 18 | 9 |
| 19 | 11 |
| 20 | 5 |
| 21 | 6 |
| 22 | 11 |
| 23 | 13 |
| 24 | 6 |
| 25 | 7 |
| 26 | 13 |
| 27 | 15 |
| 28 | 7 |
| 29 | 8 |
| 30 | 15 |
| 31 | 17 |
| 32 | 8 |
| 33 | 9 |
| 34 | 17 |
| 35 | 19 |
| 36 | 9 |
| 37 | 10 |
| 38 | 19 |
| 39 | 21 |
| 40 | 10 |
| 41 | 11 |
| 42 | 21 |
| 43 | 23 |
| 44 | 11 |
| 45 | 12 |
| 46 | 23 |
| 47 | 25 |
| 48 | 12 |
| 49 | 13 |
| 50 | 25 |
| 51 | 27 |
| 52 | 13 |
| 53 | 14 |
| 54 | 27 |
| 55 | 29 |
| 56 | 14 |
| 57 | 15 |
| 58 | 29 |
| 59 | 31 |
| 60 | 15 |
| 61 | 16 |
| 62 | 31 |
| 63 | 33 |
| 64 | 16 |
| 65 | 17 |
| 66 | 33 |
| 67 | 35 |
| 68 | 17 |
| 69 | 18 |
| 70 | 35 |
| 71 | 37 |
| 72 | 18 |
| 73 | 19 |
| 74 | 37 |
| 75 | 39 |
| 76 | 19 |
| 77 | 20 |
| 78 | 39 |
| 79 | 41 |
| 80 | 20 |
[0,1,1,3,1,2,3,5,2,3,5,7,3,4,7,9,4,5,9,11,5,6,11, 13,6,7,13,15,7,8,15,17,8,9,17,19,9,10,19,21,10,11, 21,23,11,12,23,25,12,13,25,27,13,14,27,29,14,15, 29,31,15,16,31,33,16,17,33,35,17,18,35,37,18,19, 37,39,19,20,39,41,20] |