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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 17 |
| 4 | 19 |
| 5 | 49 |
| 6 | 51 |
| 7 | 273 |
| 8 | 275 |
| 9 | 305 |
| 10 | 307 |
| 11 | 785 |
| 12 | 787 |
| 13 | 817 |
| 14 | 819 |
| 15 | 4369 |
| 16 | 4371 |
| 17 | 4401 |
| 18 | 4403 |
| 19 | 4881 |
| 20 | 4883 |
| 21 | 4913 |
| 22 | 4915 |
| 23 | 12561 |
| 24 | 12563 |
| 25 | 12593 |
| 26 | 12595 |
| 27 | 13073 |
| 28 | 13075 |
| 29 | 13105 |
| 30 | 13107 |
| 31 | 69905 |
| 32 | 69907 |
| 33 | 69937 |
| 34 | 69939 |
| 35 | 70417 |
| 36 | 70419 |
| 37 | 70449 |
| 38 | 70451 |
[1,3,17,19,49,51,273,275,305,307,785,787,817,819, 4369,4371,4401,4403,4881,4883,4913,4915,12561, 12563,12593,12595,13073,13075,13105,13107,69905, 69907,69937,69939,70417,70419,70449,70451] |