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| n | a(n) |
|---|---|
| 1 | 67 |
| 2 | 69 |
| 3 | 81 |
| 4 | 83 |
| 5 | 167 |
| 6 | 169 |
| 7 | 181 |
| 8 | 183 |
| 9 | 267 |
| 10 | 269 |
| 11 | 281 |
| 12 | 283 |
| 13 | 367 |
| 14 | 369 |
| 15 | 381 |
| 16 | 383 |
| 17 | 467 |
| 18 | 469 |
| 19 | 481 |
| 20 | 483 |
| 21 | 567 |
| 22 | 569 |
| 23 | 581 |
| 24 | 583 |
| 25 | 667 |
| 26 | 669 |
| 27 | 681 |
| 28 | 683 |
| 29 | 767 |
| 30 | 769 |
| 31 | 781 |
| 32 | 783 |
| 33 | 867 |
| 34 | 869 |
| 35 | 881 |
| 36 | 883 |
| 37 | 967 |
| 38 | 969 |
| 39 | 981 |
| 40 | 983 |
| 41 | 1067 |
| 42 | 1069 |
| 43 | 1081 |
| 44 | 1083 |
| 45 | 1167 |
| 46 | 1169 |
| 47 | 1181 |
| 48 | 1183 |
| 49 | 1267 |
| 50 | 1269 |
[67,69,81,83,167,169,181,183,267,269,281,283,367, 369,381,383,467,469,481,483,567,569,581,583,667, 669,681,683,767,769,781,783,867,869,881,883,967, 969,981,983,1067,1069,1081,1083,1167,1169,1181, 1183,1267,1269] |