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| n | a(n) |
|---|---|
| 1 | 44 |
| 2 | 46 |
| 3 | 48 |
| 4 | 49 |
| 5 | 64 |
| 6 | 66 |
| 7 | 68 |
| 8 | 69 |
| 9 | 84 |
| 10 | 86 |
| 11 | 88 |
| 12 | 89 |
| 13 | 94 |
| 14 | 96 |
| 15 | 98 |
| 16 | 99 |
| 17 | 404 |
| 18 | 406 |
| 19 | 408 |
| 20 | 409 |
| 21 | 424 |
| 22 | 426 |
| 23 | 428 |
| 24 | 444 |
| 25 | 446 |
| 26 | 448 |
| 27 | 449 |
| 28 | 454 |
| 29 | 456 |
| 30 | 458 |
| 31 | 464 |
| 32 | 466 |
| 33 | 468 |
| 34 | 469 |
| 35 | 484 |
| 36 | 486 |
| 37 | 488 |
| 38 | 494 |
| 39 | 496 |
| 40 | 498 |
| 41 | 499 |
| 42 | 604 |
| 43 | 606 |
| 44 | 608 |
| 45 | 609 |
| 46 | 624 |
| 47 | 626 |
| 48 | 628 |
| 49 | 634 |
| 50 | 636 |
| 51 | 638 |
[44,46,48,49,64,66,68,69,84,86,88,89,94,96,98,99, 404,406,408,409,424,426,428,444,446,448,449,454, 456,458,464,466,468,469,484,486,488,494,496,498, 499,604,606,608,609,624,626,628,634,636,638] |