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| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 13 |
| 3 | 17 |
| 4 | 41 |
| 5 | 43 |
| 6 | 56 |
| 7 | 91 |
| 8 | 97 |
| 9 | 101 |
| 10 | 106 |
| 11 | 121 |
| 12 | 131 |
| 13 | 155 |
| 14 | 157 |
| 15 | 161 |
| 16 | 181 |
| 17 | 188 |
| 18 | 221 |
| 19 | 232 |
| 20 | 233 |
| 21 | 239 |
| 22 | 254 |
| 23 | 271 |
| 24 | 274 |
| 25 | 301 |
| 26 | 305 |
| 27 | 311 |
| 28 | 353 |
| 29 | 361 |
| 30 | 365 |
| 31 | 385 |
| 32 | 391 |
| 33 | 401 |
| 34 | 421 |
| 35 | 451 |
| 36 | 452 |
| 37 | 491 |
| 38 | 494 |
| 39 | 508 |
| 40 | 521 |
| 41 | 529 |
| 42 | 541 |
| 43 | 551 |
| 44 | 599 |
| 45 | 610 |
| 46 | 617 |
| 47 | 625 |
| 48 | 631 |
| 49 | 647 |
| 50 | 650 |
| 51 | 673 |
| 52 | 685 |
| 53 | 721 |
[11,13,17,41,43,56,91,97,101,106,121,131,155,157, 161,181,188,221,232,233,239,254,271,274,301,305, 311,353,361,365,385,391,401,421,451,452,491,494, 508,521,529,541,551,599,610,617,625,631,647,650, 673,685,721] |