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| n | a(n) |
|---|---|
| 2 | 13 |
| 3 | 73 |
| 4 | 241 |
| 5 | 601 |
| 6 | 13 |
| 7 | 13 |
| 8 | 37 |
| 9 | 6481 |
| 10 | 9901 |
| 11 | 13 |
| 12 | 20593 |
| 13 | 28393 |
| 14 | 37 |
| 15 | 13 |
| 16 | 97 |
| 17 | 83233 |
| 18 | 229 |
| 19 | 13 |
| 20 | 13 |
| 21 | 61 |
| 22 | 157 |
| 23 | 37 |
| 24 | 13 |
| 25 | 390001 |
| 26 | 181 |
| 27 | 530713 |
| 28 | 13 |
| 29 | 37 |
| 30 | 809101 |
| 31 | 922561 |
| 32 | 13 |
| 33 | 13 |
| 34 | 1069 |
| 35 | 277 |
| 36 | 1678321 |
| 37 | 13 |
| 38 | 2083693 |
| 39 | 2311921 |
| 40 | 61 |
| 41 | 13 |
| 42 | 673 |
| 43 | 3416953 |
| 44 | 1753 |
| 45 | 13 |
| 46 | 13 |
| 47 | 1213 |
| 48 | 5306113 |
[13,73,241,601,13,13,37,6481,9901,13,20593,28393, 37,13,97,83233,229,13,13,61,157,37,13,390001,181, 530713,13,37,809101,922561,13,13,1069,277,1678321, 13,2083693,2311921,61,13,673,3416953,1753,13,13, 1213,5306113] |