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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 5 |
| 3 | 21 |
| 4 | 23 |
| 5 | 25 |
| 6 | 33 |
| 7 | 37 |
| 8 | 45 |
| 9 | 57 |
| 10 | 81 |
| 11 | 83 |
| 12 | 85 |
| 13 | 93 |
| 14 | 121 |
| 15 | 123 |
| 16 | 133 |
| 17 | 137 |
| 18 | 173 |
| 19 | 183 |
| 20 | 187 |
| 21 | 193 |
| 22 | 195 |
| 23 | 215 |
| 24 | 219 |
| 25 | 225 |
| 26 | 231 |
| 27 | 245 |
| 28 | 247 |
| 29 | 285 |
| 30 | 289 |
| 31 | 295 |
| 32 | 301 |
| 33 | 315 |
| 34 | 317 |
| 35 | 327 |
| 36 | 329 |
| 37 | 353 |
| 38 | 357 |
| 39 | 359 |
| 40 | 391 |
| 41 | 395 |
| 42 | 403 |
| 43 | 419 |
| 44 | 423 |
| 45 | 429 |
| 46 | 435 |
| 47 | 447 |
| 48 | 477 |
| 49 | 479 |
| 50 | 503 |
| 51 | 513 |
| 52 | 549 |
| 53 | 561 |
| 54 | 567 |
| 55 | 571 |
[3,5,21,23,25,33,37,45,57,81,83,85,93,121,123,133, 137,173,183,187,193,195,215,219,225,231,245,247, 285,289,295,301,315,317,327,329,353,357,359,391, 395,403,419,423,429,435,447,477,479,503,513,549, 561,567,571] |