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| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 13 |
| 3 | 13513 |
| 4 | 13577 |
| 5 | 135799 |
| 6 | 135791107 |
| 7 | 13579111307 |
| 8 | 1357911131503 |
| 9 | 13579111315171 |
| 10 | 135791113151719 |
| 11 | 1357911131517192157 |
| 12 | 13579111315171921231 |
| 13 | 135791113151719212325007 |
| 14 | 1357911131517192123252763 |
| 15 | 13579111315171921232527291 |
| 16 | 135791113151719212325272931 |
[11,13,13513,13577,135799,135791107,13579111307, 1357911131503,13579111315171,135791113151719, 1357911131517192157,13579111315171921231, 135791113151719212325007, 1357911131517192123252763, 13579111315171921232527291, 135791113151719212325272931] |