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