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