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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 2 |
| 7 | 3 |
| 8 | 3 |
| 9 | 4 |
| 10 | 4 |
| 11 | 5 |
| 12 | 6 |
| 13 | 6 |
| 14 | 8 |
| 15 | 8 |
| 16 | 9 |
| 17 | 10 |
| 18 | 11 |
| 19 | 12 |
| 20 | 13 |
| 21 | 15 |
| 22 | 15 |
| 23 | 17 |
| 24 | 18 |
| 25 | 19 |
| 26 | 21 |
| 27 | 22 |
| 28 | 24 |
| 29 | 25 |
| 30 | 27 |
| 31 | 28 |
| 32 | 30 |
| 33 | 32 |
| 34 | 33 |
| 35 | 36 |
| 36 | 37 |
| 37 | 39 |
| 38 | 41 |
| 39 | 43 |
| 40 | 45 |
| 41 | 47 |
| 42 | 50 |
| 43 | 51 |
| 44 | 54 |
| 45 | 56 |
| 46 | 58 |
| 47 | 61 |
| 48 | 63 |
| 49 | 66 |
| 50 | 68 |
| 51 | 71 |
| 52 | 73 |
| 53 | 76 |
| 54 | 79 |
| 55 | 81 |
| 56 | 85 |
| 57 | 87 |
| 58 | 90 |
| 59 | 93 |
| 60 | 96 |
| 61 | 99 |
| 62 | 102 |
| 63 | 106 |
| 64 | 108 |
| 65 | 112 |
| 66 | 115 |
| 67 | 118 |
[1,0,1,1,1,2,2,3,3,4,4,5,6,6,8,8,9,10,11,12,13,15, 15,17,18,19,21,22,24,25,27,28,30,32,33,36,37,39, 41,43,45,47,50,51,54,56,58,61,63,66,68,71,73,76, 79,81,85,87,90,93,96,99,102,106,108,112,115,118] |