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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 | 4 |
| 11 | 5 |
| 12 | 7 |
| 13 | 8 |
| 14 | 10 |
| 15 | 12 |
| 16 | 14 |
| 17 | 16 |
| 18 | 19 |
| 19 | 21 |
| 20 | 24 |
| 21 | 27 |
| 22 | 30 |
| 23 | 33 |
| 24 | 37 |
| 25 | 40 |
| 26 | 44 |
| 27 | 48 |
| 28 | 52 |
| 29 | 56 |
| 30 | 61 |
| 31 | 65 |
| 32 | 70 |
| 33 | 75 |
| 34 | 80 |
| 35 | 85 |
| 36 | 91 |
| 37 | 96 |
| 38 | 102 |
| 39 | 108 |
| 40 | 114 |
| 41 | 120 |
| 42 | 127 |
| 43 | 132 |
| 44 | 138 |
| 45 | 143 |
| 46 | 148 |
| 47 | 152 |
| 48 | 157 |
| 49 | 160 |
| 50 | 164 |
| 51 | 167 |
| 52 | 170 |
| 53 | 172 |
| 54 | 175 |
| 55 | 176 |
| 56 | 178 |
| 57 | 179 |
| 58 | 180 |
| 59 | 180 |
| 60 | 181 |
| 61 | 180 |
| 62 | 180 |
| 63 | 179 |
| 64 | 178 |
[0,0,0,0,0,0,1,1,2,3,4,5,7,8,10,12,14,16,19,21,24, 27,30,33,37,40,44,48,52,56,61,65,70,75,80,85,91, 96,102,108,114,120,127,132,138,143,148,152,157, 160,164,167,170,172,175,176,178,179,180,180,181, 180,180,179,178] |