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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 1 |
| 3 | 3 |
| 4 | 3 |
| 5 | 1 |
| 6 | 3 |
| 7 | 5 |
| 8 | 5 |
| 9 | 1 |
| 10 | 3 |
| 11 | 7 |
| 12 | 11 |
| 13 | 7 |
| 14 | 1 |
| 15 | 3 |
| 16 | 9 |
| 17 | 19 |
| 18 | 19 |
| 19 | 9 |
| 20 | 1 |
| 21 | 3 |
| 22 | 11 |
| 23 | 29 |
| 24 | 39 |
| 25 | 29 |
| 26 | 11 |
| 27 | 1 |
| 28 | 3 |
| 29 | 13 |
| 30 | 41 |
| 31 | 69 |
| 32 | 69 |
| 33 | 41 |
| 34 | 13 |
| 35 | 1 |
| 36 | 3 |
| 37 | 15 |
| 38 | 55 |
| 39 | 111 |
| 40 | 139 |
| 41 | 111 |
| 42 | 55 |
| 43 | 15 |
| 44 | 1 |
| 45 | 3 |
| 46 | 17 |
| 47 | 71 |
| 48 | 167 |
| 49 | 251 |
| 50 | 251 |
| 51 | 167 |
| 52 | 71 |
| 53 | 17 |
| 54 | 1 |
[1,3,1,3,3,1,3,5,5,1,3,7,11,7,1,3,9,19,19,9,1,3, 11,29,39,29,11,1,3,13,41,69,69,41,13,1,3,15,55, 111,139,111,55,15,1,3,17,71,167,251,251,167,71,17, 1] |