The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 4 |
| 4 | 1 |
| 5 | 3 |
| 6 | 6 |
| 7 | 5 |
| 8 | 2 |
| 9 | 8 |
| 10 | 4 |
| 11 | 10 |
| 12 | 9 |
| 13 | 1 |
| 14 | 8 |
| 15 | 5 |
| 16 | 11 |
| 17 | 12 |
| 18 | 10 |
| 19 | 2 |
| 20 | 4 |
| 21 | 9 |
| 22 | 13 |
| 23 | 6 |
| 24 | 11 |
| 25 | 8 |
| 26 | 16 |
| 27 | 5 |
| 28 | 13 |
| 29 | 17 |
| 30 | 18 |
| 31 | 15 |
| 32 | 2 |
| 33 | 4 |
| 34 | 11 |
| 35 | 6 |
| 36 | 19 |
| 37 | 17 |
| 38 | 13 |
| 39 | 16 |
| 40 | 10 |
| 41 | 1 |
| 42 | 3 |
| 43 | 20 |
| 44 | 12 |
| 45 | 22 |
| 46 | 18 |
| 47 | 17 |
| 48 | 22 |
| 49 | 23 |
| 50 | 11 |
| 51 | 2 |
| 52 | 16 |
| 53 | 19 |
| 54 | 13 |
| 55 | 8 |
[0,2,4,1,3,6,5,2,8,4,10,9,1,8,5,11,12,10,2,4,9,13, 6,11,8,16,5,13,17,18,15,2,4,11,6,19,17,13,16,10,1, 3,20,12,22,18,17,22,23,11,2,16,19,13,8] |