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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 29 |
| 3 | 49 |
| 4 | 69 |
| 5 | 89 |
| 6 | 90 |
| 7 | 92 |
| 8 | 94 |
| 9 | 96 |
| 10 | 98 |
| 11 | 99 |
| 12 | 209 |
| 13 | 229 |
| 14 | 249 |
| 15 | 269 |
| 16 | 289 |
| 17 | 290 |
| 18 | 292 |
| 19 | 294 |
| 20 | 296 |
| 21 | 298 |
| 22 | 299 |
| 23 | 409 |
| 24 | 429 |
| 25 | 449 |
| 26 | 469 |
| 27 | 489 |
| 28 | 490 |
| 29 | 492 |
| 30 | 494 |
| 31 | 496 |
| 32 | 498 |
| 33 | 499 |
| 34 | 609 |
| 35 | 629 |
| 36 | 649 |
| 37 | 669 |
| 38 | 689 |
| 39 | 690 |
| 40 | 692 |
| 41 | 694 |
| 42 | 696 |
| 43 | 698 |
| 44 | 699 |
| 45 | 809 |
| 46 | 829 |
| 47 | 849 |
| 48 | 869 |
| 49 | 889 |
| 50 | 890 |
| 51 | 892 |
| 52 | 894 |
| 53 | 896 |
| 54 | 898 |
[9,29,49,69,89,90,92,94,96,98,99,209,229,249,269, 289,290,292,294,296,298,299,409,429,449,469,489, 490,492,494,496,498,499,609,629,649,669,689,690, 692,694,696,698,699,809,829,849,869,889,890,892, 894,896,898] |