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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 1 |
| 6 | 3 |
| 7 | 2 |
| 8 | 5 |
| 9 | 5 |
| 10 | 5 |
| 11 | 4 |
| 12 | 8 |
| 13 | 8 |
| 14 | 13 |
| 15 | 12 |
| 16 | 12 |
| 17 | 12 |
| 18 | 18 |
| 19 | 18 |
| 20 | 25 |
| 21 | 25 |
| 22 | 25 |
| 23 | 24 |
| 24 | 32 |
| 25 | 32 |
| 26 | 32 |
| 27 | 31 |
| 28 | 31 |
| 29 | 31 |
| 30 | 40 |
| 31 | 39 |
| 32 | 49 |
| 33 | 49 |
| 34 | 49 |
| 35 | 48 |
| 36 | 49 |
| 37 | 49 |
| 38 | 60 |
| 39 | 59 |
| 40 | 59 |
| 41 | 59 |
| 42 | 71 |
| 43 | 70 |
| 44 | 83 |
| 45 | 83 |
| 46 | 83 |
| 47 | 82 |
| 48 | 96 |
| 49 | 96 |
| 50 | 96 |
| 51 | 96 |
| 52 | 96 |
| 53 | 96 |
| 54 | 111 |
| 55 | 111 |
| 56 | 112 |
| 57 | 112 |
| 58 | 112 |
| 59 | 111 |
| 60 | 127 |
| 61 | 127 |
| 62 | 144 |
| 63 | 143 |
| 64 | 143 |
| 65 | 143 |
| 66 | 144 |
| 67 | 143 |
| 68 | 161 |
| 69 | 161 |
| 70 | 161 |
| 71 | 160 |
[0,0,0,1,1,3,2,5,5,5,4,8,8,13,12,12,12,18,18,25, 25,25,24,32,32,32,31,31,31,40,39,49,49,49,48,49, 49,60,59,59,59,71,70,83,83,83,82,96,96,96,96,96, 96,111,111,112,112,112,111,127,127,144,143,143, 143,144,143,161,161,161,160] |