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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 22 |
| 3 | 44 |
| 4 | 121 |
| 5 | 211 |
| 6 | 242 |
| 7 | 422 |
| 8 | 484 |
| 9 | 844 |
| 10 | 2048 |
| 11 | 2111 |
| 12 | 2221 |
| 13 | 2321 |
| 14 | 4096 |
| 15 | 4222 |
| 16 | 4442 |
| 17 | 4642 |
| 18 | 8444 |
| 19 | 8884 |
| 20 | 9284 |
| 21 | 12211 |
| 22 | 21121 |
| 23 | 21211 |
| 24 | 21221 |
| 25 | 22111 |
| 26 | 22528 |
| 27 | 23221 |
| 28 | 24422 |
| 29 | 24431 |
| 30 | 25531 |
| 31 | 42242 |
| 32 | 42422 |
| 33 | 42442 |
| 34 | 44222 |
| 35 | 44521 |
| 36 | 45056 |
| 37 | 46442 |
| 38 | 48844 |
| 39 | 48862 |
| 40 | 51062 |
| 41 | 84484 |
| 42 | 84844 |
| 43 | 84884 |
| 44 | 88444 |
| 45 | 89042 |
| 46 | 92884 |
| 47 | 97724 |
[2,22,44,121,211,242,422,484,844,2048,2111,2221, 2321,4096,4222,4442,4642,8444,8884,9284,12211, 21121,21211,21221,22111,22528,23221,24422,24431, 25531,42242,42422,42442,44222,44521,45056,46442, 48844,48862,51062,84484,84844,84884,88444,89042, 92884,97724] |