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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 15 |
| 4 | 17 |
| 5 | 43 |
| 6 | 45 |
| 7 | 211 |
| 8 | 213 |
| 9 | 239 |
| 10 | 241 |
| 11 | 603 |
| 12 | 605 |
| 13 | 631 |
| 14 | 633 |
| 15 | 2955 |
| 16 | 2957 |
| 17 | 2983 |
| 18 | 2985 |
| 19 | 3347 |
| 20 | 3349 |
| 21 | 3375 |
| 22 | 3377 |
| 23 | 8443 |
| 24 | 8445 |
| 25 | 8471 |
| 26 | 8473 |
| 27 | 8835 |
| 28 | 8837 |
| 29 | 8863 |
| 30 | 8865 |
| 31 | 41371 |
| 32 | 41373 |
| 33 | 41399 |
| 34 | 41401 |
| 35 | 41763 |
| 36 | 41765 |
| 37 | 41791 |
| 38 | 41793 |
| 39 | 46859 |
| 40 | 46861 |
[1,3,15,17,43,45,211,213,239,241,603,605,631,633, 2955,2957,2983,2985,3347,3349,3375,3377,8443,8445, 8471,8473,8835,8837,8863,8865,41371,41373,41399, 41401,41763,41765,41791,41793,46859,46861] |