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| n | a(n) |
|---|---|
| 1 | 28 |
| 2 | 60 |
| 3 | 72 |
| 4 | 92 |
| 5 | 99 |
| 6 | 100 |
| 7 | 112 |
| 8 | 124 |
| 9 | 147 |
| 10 | 156 |
| 11 | 180 |
| 12 | 188 |
| 13 | 207 |
| 14 | 220 |
| 15 | 240 |
| 16 | 252 |
| 17 | 275 |
| 18 | 284 |
| 19 | 288 |
| 20 | 315 |
| 21 | 316 |
| 22 | 348 |
| 23 | 368 |
| 24 | 380 |
| 25 | 396 |
| 26 | 400 |
| 27 | 412 |
| 28 | 423 |
| 29 | 444 |
| 30 | 448 |
| 31 | 475 |
| 32 | 476 |
| 33 | 496 |
| 34 | 504 |
| 35 | 507 |
| 36 | 508 |
| 37 | 531 |
| 38 | 540 |
| 39 | 572 |
| 40 | 588 |
| 41 | 600 |
| 42 | 604 |
| 43 | 612 |
| 44 | 624 |
| 45 | 636 |
| 46 | 639 |
| 47 | 648 |
| 48 | 668 |
| 49 | 676 |
| 50 | 700 |
| 51 | 720 |
| 52 | 732 |
| 53 | 747 |
| 54 | 752 |
| 55 | 764 |
[28,60,72,92,99,100,112,124,147,156,180,188,207, 220,240,252,275,284,288,315,316,348,368,380,396, 400,412,423,444,448,475,476,496,504,507,508,531, 540,572,588,600,604,612,624,636,639,648,668,676, 700,720,732,747,752,764] |