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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 7 |
| 3 | 13 |
| 4 | 31 |
| 5 | 73 |
| 6 | 151 |
| 7 | 181 |
| 8 | 199 |
| 9 | 313 |
| 10 | 1021 |
| 11 | 1033 |
| 12 | 1153 |
| 13 | 1231 |
| 14 | 1279 |
| 15 | 1321 |
| 16 | 1429 |
| 17 | 1453 |
| 18 | 1669 |
| 19 | 1723 |
| 20 | 1789 |
| 21 | 1879 |
| 22 | 1933 |
| 23 | 3121 |
| 24 | 3169 |
| 25 | 3301 |
| 26 | 3373 |
| 27 | 3391 |
| 28 | 3463 |
| 29 | 3469 |
| 30 | 3541 |
| 31 | 3583 |
| 32 | 3853 |
| 33 | 7459 |
| 34 | 7561 |
| 35 | 7879 |
| 36 | 7951 |
| 37 | 9001 |
| 38 | 9013 |
| 39 | 9241 |
| 40 | 9421 |
| 41 | 9439 |
| 42 | 9679 |
| 43 | 9721 |
| 44 | 9769 |
| 45 | 9931 |
[5,7,13,31,73,151,181,199,313,1021,1033,1153,1231, 1279,1321,1429,1453,1669,1723,1789,1879,1933,3121, 3169,3301,3373,3391,3463,3469,3541,3583,3853,7459, 7561,7879,7951,9001,9013,9241,9421,9439,9679,9721, 9769,9931] |