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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 3 |
| 5 | 5 |
| 6 | 3 |
| 7 | 7 |
| 8 | 7 |
| 9 | 7 |
| 10 | 7 |
| 11 | 7 |
| 12 | 7 |
| 13 | 13 |
| 14 | 7 |
| 15 | 15 |
| 16 | 15 |
| 17 | 17 |
| 18 | 7 |
| 19 | 19 |
| 20 | 15 |
| 21 | 21 |
| 22 | 7 |
| 23 | 23 |
| 24 | 15 |
| 25 | 25 |
| 26 | 26 |
| 27 | 27 |
| 28 | 28 |
| 29 | 29 |
| 30 | 15 |
| 31 | 31 |
| 32 | 31 |
| 33 | 28 |
| 34 | 31 |
| 35 | 31 |
| 36 | 28 |
| 37 | 37 |
| 38 | 31 |
| 39 | 31 |
| 40 | 31 |
| 41 | 31 |
| 42 | 28 |
| 43 | 43 |
| 44 | 28 |
| 45 | 31 |
| 46 | 28 |
| 47 | 31 |
| 48 | 31 |
| 49 | 49 |
| 50 | 28 |
| 51 | 51 |
| 52 | 31 |
| 53 | 53 |
| 54 | 31 |
| 55 | 31 |
| 56 | 31 |
| 57 | 57 |
| 58 | 31 |
| 59 | 31 |
| 60 | 31 |
| 61 | 61 |
| 62 | 31 |
| 63 | 63 |
| 64 | 63 |
| 65 | 65 |
| 66 | 28 |
| 67 | 67 |
| 68 | 63 |
| 69 | 31 |
| 70 | 31 |
| 71 | 71 |
| 72 | 31 |
| 73 | 73 |
| 74 | 74 |
[1,1,3,3,5,3,7,7,7,7,7,7,13,7,15,15,17,7,19,15,21, 7,23,15,25,26,27,28,29,15,31,31,28,31,31,28,37,31, 31,31,31,28,43,28,31,28,31,31,49,28,51,31,53,31, 31,31,57,31,31,31,61,31,63,63,65,28,67,63,31,31, 71,31,73,74] |