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