| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 49 |
| 3 | 58 |
| 4 | 59 |
| 5 | 67 |
| 6 | 68 |
| 7 | 76 |
| 8 | 77 |
| 9 | 85 |
| 10 | 86 |
| 11 | 94 |
| 12 | 95 |
| 13 | 199 |
| 14 | 289 |
| 15 | 298 |
| 16 | 299 |
| 17 | 379 |
| 18 | 388 |
| 19 | 389 |
| 20 | 397 |
| 21 | 398 |
| 22 | 399 |
| 23 | 469 |
| 24 | 478 |
| 25 | 479 |
| 26 | 487 |
| 27 | 488 |
| 28 | 489 |
| 29 | 496 |
| 30 | 497 |
| 31 | 498 |
| 32 | 559 |
| 33 | 568 |
| 34 | 569 |
| 35 | 577 |
| 36 | 578 |
| 37 | 579 |
| 38 | 586 |
| 39 | 587 |
| 40 | 588 |
| 41 | 595 |
| 42 | 596 |
| 43 | 597 |
| 44 | 649 |
| 45 | 658 |
| 46 | 659 |
| 47 | 667 |
| 48 | 668 |
| 49 | 669 |
| 50 | 676 |
| 51 | 677 |
| 52 | 678 |
| 53 | 685 |
| 54 | 686 |
| 55 | 687 |
[7,49,58,59,67,68,76,77,85,86,94,95,199,289,298, 299,379,388,389,397,398,399,469,478,479,487,488, 489,496,497,498,559,568,569,577,578,579,586,587, 588,595,596,597,649,658,659,667,668,669,676,677, 678,685,686,687] |