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| n | a(n) |
|---|---|
| 0 | 4 |
| 1 | 3 |
| 2 | 4 |
| 3 | 4 |
| 4 | 7 |
| 5 | 10 |
| 6 | 9 |
| 7 | 9 |
| 8 | 9 |
| 9 | 9 |
| 10 | 10 |
| 11 | 19 |
| 12 | 19 |
| 13 | 19 |
| 14 | 19 |
| 15 | 20 |
| 16 | 18 |
| 17 | 20 |
| 18 | 22 |
| 19 | 20 |
| 20 | 11 |
| 21 | 19 |
| 22 | 21 |
| 23 | 21 |
| 24 | 21 |
| 25 | 20 |
| 26 | 20 |
| 27 | 22 |
| 28 | 22 |
| 29 | 20 |
| 30 | 11 |
| 31 | 19 |
| 32 | 21 |
| 33 | 21 |
| 34 | 29 |
| 35 | 31 |
| 36 | 30 |
| 37 | 32 |
| 38 | 31 |
| 39 | 31 |
| 40 | 21 |
| 41 | 30 |
| 42 | 32 |
| 43 | 32 |
| 44 | 31 |
| 45 | 21 |
| 46 | 28 |
| 47 | 25 |
| 48 | 27 |
| 49 | 25 |
| 50 | 22 |
| 51 | 24 |
| 52 | 27 |
| 53 | 27 |
| 54 | 29 |
| 55 | 23 |
| 56 | 32 |
| 57 | 32 |
| 58 | 34 |
| 59 | 33 |
| 60 | 23 |
| 61 | 34 |
| 62 | 34 |
| 63 | 33 |
| 64 | 21 |
| 65 | 32 |
| 66 | 32 |
| 67 | 33 |
| 68 | 32 |
| 69 | 32 |
| 70 | 23 |
| 71 | 20 |
| 72 | 32 |
[4,3,4,4,7,10,9,9,9,9,10,19,19,19,19,20,18,20,22, 20,11,19,21,21,21,20,20,22,22,20,11,19,21,21,29, 31,30,32,31,31,21,30,32,32,31,21,28,25,27,25,22, 24,27,27,29,23,32,32,34,33,23,34,34,33,21,32,32, 33,32,32,23,20,32] |