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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 5 |
| 3 | 7 |
| 4 | 311 |
| 5 | 15937 |
| 6 | 17939 |
| 7 | 19973 |
| 8 | 39113 |
| 9 | 51131 |
| 10 | 53717 |
| 11 | 53719 |
| 12 | 55313 |
| 13 | 59753 |
| 14 | 91711 |
| 15 | 93113 |
| 16 | 99119 |
| 17 | 111953 |
| 18 | 117911 |
| 19 | 117917 |
| 20 | 117937 |
| 21 | 153113 |
| 22 | 157931 |
| 23 | 159911 |
| 24 | 191519 |
| 25 | 195971 |
| 26 | 311533 |
| 27 | 355913 |
| 28 | 391711 |
| 29 | 391717 |
| 30 | 391733 |
| 31 | 575131 |
| 32 | 575513 |
| 33 | 577919 |
| 34 | 577931 |
| 35 | 579113 |
[3,5,7,311,15937,17939,19973,39113,51131,53717, 53719,55313,59753,91711,93113,99119,111953,117911, 117917,117937,153113,157931,159911,191519,195971, 311533,355913,391711,391717,391733,575131,575513, 577919,577931,579113] |