The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 3 |
| 6 | 0 |
| 7 | 3 |
| 8 | 3 |
| 9 | 1 |
| 10 | 6 |
| 11 | 0 |
| 12 | 6 |
| 13 | 3 |
| 14 | 6 |
| 15 | 3 |
| 16 | 3 |
| 17 | 9 |
| 18 | 1 |
| 19 | 12 |
| 20 | 0 |
| 21 | 6 |
| 22 | 9 |
| 23 | 6 |
| 24 | 6 |
| 25 | 6 |
| 26 | 9 |
| 27 | 6 |
| 28 | 12 |
| 29 | 0 |
| 30 | 10 |
| 31 | 9 |
| 32 | 12 |
| 33 | 6 |
| 34 | 9 |
| 35 | 9 |
| 36 | 3 |
| 37 | 18 |
| 38 | 3 |
| 39 | 12 |
| 40 | 12 |
| 41 | 9 |
| 42 | 9 |
| 43 | 9 |
| 44 | 12 |
| 45 | 10 |
| 46 | 12 |
| 47 | 9 |
| 48 | 9 |
| 49 | 18 |
| 50 | 6 |
| 51 | 6 |
| 52 | 27 |
| 53 | 6 |
| 54 | 12 |
| 55 | 6 |
| 56 | 9 |
| 57 | 18 |
| 58 | 15 |
| 59 | 15 |
| 60 | 6 |
| 61 | 21 |
| 62 | 9 |
| 63 | 13 |
| 64 | 12 |
| 65 | 9 |
| 66 | 18 |
| 67 | 21 |
| 68 | 9 |
| 69 | 6 |
| 70 | 21 |
| 71 | 15 |
| 72 | 15 |
| 73 | 15 |
| 74 | 12 |
| 75 | 15 |
| 76 | 18 |
| 77 | 15 |
| 78 | 9 |
[0,0,0,1,0,3,0,3,3,1,6,0,6,3,6,3,3,9,1,12,0,6,9,6, 6,6,9,6,12,0,10,9,12,6,9,9,3,18,3,12,12,9,9,9,12, 10,12,9,9,18,6,6,27,6,12,6,9,18,15,15,6,21,9,13, 12,9,18,21,9,6,21,15,15,15,12,15,18,15,9] |