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| n | a(n) |
|---|---|
| 1 | 21 |
| 2 | 22 |
| 3 | 23 |
| 4 | 45 |
| 5 | 47 |
| 6 | 55 |
| 7 | 73 |
| 8 | 85 |
| 9 | 86 |
| 10 | 90 |
| 11 | 91 |
| 12 | 95 |
| 13 | 109 |
| 14 | 110 |
| 15 | 111 |
| 16 | 119 |
| 17 | 146 |
| 18 | 170 |
| 19 | 173 |
| 20 | 181 |
| 21 | 182 |
| 22 | 187 |
| 23 | 191 |
| 24 | 219 |
| 25 | 221 |
| 26 | 223 |
| 27 | 239 |
| 28 | 247 |
| 29 | 273 |
| 30 | 307 |
| 31 | 341 |
| 32 | 342 |
| 33 | 346 |
| 34 | 362 |
| 35 | 365 |
| 36 | 375 |
| 37 | 383 |
| 38 | 409 |
| 39 | 438 |
| 40 | 443 |
| 41 | 447 |
| 42 | 477 |
| 43 | 478 |
| 44 | 479 |
| 45 | 495 |
| 46 | 503 |
| 47 | 546 |
| 48 | 585 |
| 49 | 614 |
| 50 | 660 |
| 51 | 682 |
| 52 | 685 |
| 53 | 693 |
| 54 | 725 |
[21,22,23,45,47,55,73,85,86,90,91,95,109,110,111, 119,146,170,173,181,182,187,191,219,221,223,239, 247,273,307,341,342,346,362,365,375,383,409,438, 443,447,477,478,479,495,503,546,585,614,660,682, 685,693,725] |