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| n | a(n) |
|---|---|
| 1 | 22 |
| 2 | 122 |
| 3 | 220 |
| 4 | 322 |
| 5 | 422 |
| 6 | 522 |
| 7 | 622 |
| 8 | 722 |
| 9 | 822 |
| 10 | 922 |
| 11 | 1022 |
| 12 | 1122 |
| 13 | 1220 |
| 14 | 1322 |
| 15 | 1422 |
| 16 | 1522 |
| 17 | 1622 |
| 18 | 1722 |
| 19 | 1822 |
| 20 | 1922 |
| 21 | 2022 |
| 22 | 2122 |
| 23 | 2200 |
| 24 | 2322 |
| 25 | 2422 |
| 26 | 2522 |
| 27 | 2622 |
| 28 | 2722 |
| 29 | 2822 |
| 30 | 2922 |
| 31 | 3022 |
| 32 | 3122 |
| 33 | 3220 |
| 34 | 3322 |
| 35 | 3422 |
| 36 | 3522 |
| 37 | 3622 |
| 38 | 3722 |
| 39 | 3822 |
[22,122,220,322,422,522,622,722,822,922,1022,1122, 1220,1322,1422,1522,1622,1722,1822,1922,2022,2122, 2200,2322,2422,2522,2622,2722,2822,2922,3022,3122, 3220,3322,3422,3522,3622,3722,3822] |