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