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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 3 |
| 10 | 3 |
| 11 | 4 |
| 12 | 5 |
| 13 | 6 |
| 14 | 7 |
| 15 | 8 |
| 16 | 10 |
| 17 | 11 |
| 18 | 12 |
| 19 | 14 |
| 20 | 15 |
| 21 | 17 |
| 22 | 19 |
| 23 | 21 |
| 24 | 23 |
| 25 | 25 |
| 26 | 27 |
| 27 | 29 |
| 28 | 31 |
| 29 | 33 |
| 30 | 36 |
| 31 | 38 |
| 32 | 41 |
| 33 | 44 |
| 34 | 46 |
| 35 | 49 |
| 36 | 52 |
| 37 | 55 |
| 38 | 58 |
| 39 | 61 |
| 40 | 65 |
| 41 | 68 |
| 42 | 71 |
| 43 | 75 |
| 44 | 78 |
| 45 | 82 |
| 46 | 86 |
| 47 | 90 |
| 48 | 94 |
| 49 | 98 |
| 50 | 102 |
| 51 | 106 |
| 52 | 110 |
| 53 | 114 |
| 54 | 119 |
| 55 | 123 |
| 56 | 128 |
| 57 | 133 |
| 58 | 137 |
| 59 | 142 |
| 60 | 147 |
| 61 | 152 |
| 62 | 157 |
| 63 | 162 |
| 64 | 168 |
| 65 | 173 |
| 66 | 178 |
| 67 | 184 |
| 68 | 189 |
[0,0,0,0,0,0,1,1,2,3,3,4,5,6,7,8,10,11,12,14,15, 17,19,21,23,25,27,29,31,33,36,38,41,44,46,49,52, 55,58,61,65,68,71,75,78,82,86,90,94,98,102,106, 110,114,119,123,128,133,137,142,147,152,157,162, 168,173,178,184,189] |