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