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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 11 |
| 6 | 22 |
| 7 | 28 |
| 8 | 29 |
| 9 | 38 |
| 10 | 62 |
| 11 | 316 |
| 12 | 989 |
| 13 | 1532 |
| 14 | 2068 |
| 15 | 2495 |
| 16 | 3431 |
| 17 | 4775 |
| 18 | 9082 |
| 19 | 14935 |
| 20 | 15572 |
| 21 | 39511 |
| 22 | 43283 |
| 23 | 66748 |
[1,2,4,7,11,22,28,29,38,62,316,989,1532,2068,2495, 3431,4775,9082,14935,15572,39511,43283,66748] |