The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 2 |
| 7 | 2 |
| 8 | 2 |
| 9 | 6 |
| 10 | 6 |
| 11 | 6 |
| 12 | 6 |
| 13 | 6 |
| 14 | 6 |
| 15 | 6 |
| 16 | 8 |
| 17 | 7 |
| 18 | 6 |
| 19 | 5 |
| 20 | 4 |
| 21 | 3 |
| 22 | 2 |
| 23 | 1 |
| 24 | 0 |
| 25 | 20 |
| 26 | 16 |
| 27 | 12 |
| 28 | 8 |
| 29 | 4 |
| 30 | 0 |
| 31 | 27 |
| 32 | 24 |
| 33 | 21 |
| 34 | 18 |
| 35 | 15 |
| 36 | 0 |
| 37 | 17 |
| 38 | 36 |
| 39 | 18 |
| 40 | 0 |
| 41 | 23 |
| 42 | 6 |
| 43 | 32 |
| 44 | 16 |
| 45 | 0 |
| 46 | 30 |
| 47 | 15 |
| 48 | 0 |
| 49 | 42 |
| 50 | 40 |
| 51 | 42 |
| 52 | 48 |
| 53 | 5 |
| 54 | 18 |
| 55 | 35 |
| 56 | 0 |
| 57 | 24 |
| 58 | 52 |
| 59 | 25 |
| 60 | 0 |
| 61 | 38 |
| 62 | 18 |
| 63 | 0 |
| 64 | 0 |
| 65 | 20 |
| 66 | 60 |
| 67 | 53 |
| 68 | 64 |
| 69 | 24 |
| 70 | 0 |
| 71 | 63 |
| 72 | 0 |
| 73 | 24 |
| 74 | 64 |
| 75 | 45 |
| 76 | 40 |
| 77 | 49 |
| 78 | 72 |
| 79 | 30 |
| 80 | 0 |
| 81 | 0 |
| 82 | 30 |
| 83 | 4 |
| 84 | 0 |
[0,1,1,2,2,2,2,2,6,6,6,6,6,6,6,8,7,6,5,4,3,2,1,0, 20,16,12,8,4,0,27,24,21,18,15,0,17,36,18,0,23,6, 32,16,0,30,15,0,42,40,42,48,5,18,35,0,24,52,25,0, 38,18,0,0,20,60,53,64,24,0,63,0,24,64,45,40,49,72, 30,0,0,30,4,0] |