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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 13 |
| 3 | 17 |
| 4 | 19 |
| 5 | 28 |
| 6 | 41 |
| 7 | 52 |
| 8 | 61 |
| 9 | 63 |
| 10 | 68 |
| 11 | 73 |
| 12 | 76 |
| 13 | 77 |
| 14 | 83 |
| 15 | 101 |
| 16 | 112 |
| 17 | 117 |
| 18 | 131 |
| 19 | 139 |
| 20 | 143 |
| 21 | 153 |
| 22 | 161 |
| 23 | 164 |
| 24 | 167 |
| 25 | 171 |
| 26 | 173 |
| 27 | 175 |
| 28 | 187 |
| 29 | 208 |
| 30 | 209 |
| 31 | 227 |
| 32 | 241 |
| 33 | 244 |
| 34 | 252 |
| 35 | 259 |
| 36 | 271 |
| 37 | 272 |
| 38 | 283 |
| 39 | 292 |
| 40 | 293 |
| 41 | 299 |
| 42 | 304 |
| 43 | 307 |
| 44 | 308 |
| 45 | 325 |
| 46 | 332 |
| 47 | 343 |
| 48 | 349 |
| 49 | 369 |
| 50 | 371 |
| 51 | 391 |
| 52 | 404 |
| 53 | 409 |
| 54 | 425 |
| 55 | 437 |
[7,13,17,19,28,41,52,61,63,68,73,76,77,83,101,112, 117,131,139,143,153,161,164,167,171,173,175,187, 208,209,227,241,244,252,259,271,272,283,292,293, 299,304,307,308,325,332,343,349,369,371,391,404, 409,425,437] |