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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 11 |
| 5 | 12 |
| 6 | 15 |
| 7 | 21 |
| 8 | 112 |
| 9 | 211 |
| 10 | 415 |
| 11 | 421 |
| 12 | 521 |
| 13 | 715 |
| 14 | 2271 |
| 15 | 5211 |
| 16 | 21271 |
| 17 | 21715 |
| 18 | 27412 |
| 19 | 75771 |
| 20 | 125521 |
| 21 | 145415 |
| 22 | 724412 |
| 23 | 742412 |
| 24 | 1127715 |
| 25 | 1214171 |
| 26 | 1475515 |
| 27 | 2115211 |
| 28 | 2125421 |
| 29 | 2127715 |
| 30 | 2171271 |
| 31 | 2177511 |
| 32 | 2177515 |
| 33 | 4152412 |
| 34 | 4174412 |
| 35 | 4215771 |
| 36 | 7171271 |
| 37 | 7247421 |
| 38 | 11145511 |
| 39 | 12142715 |
| 40 | 12547715 |
| 41 | 14575415 |
| 42 | 41441715 |
| 43 | 41445415 |
| 44 | 41542421 |
| 45 | 41742715 |
[1,2,5,11,12,15,21,112,211,415,421,521,715,2271, 5211,21271,21715,27412,75771,125521,145415,724412, 742412,1127715,1214171,1475515,2115211,2125421, 2127715,2171271,2177511,2177515,4152412,4174412, 4215771,7171271,7247421,11145511,12142715, 12547715,14575415,41441715,41445415,41542421, 41742715] |