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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 9 |
| 6 | 18 |
| 7 | 27 |
| 8 | 49 |
| 9 | 77 |
| 10 | 129 |
| 11 | 199 |
| 12 | 329 |
| 13 | 497 |
| 14 | 787 |
| 15 | 1194 |
| 16 | 1838 |
| 17 | 2738 |
| 18 | 4154 |
| 19 | 6108 |
| 20 | 9098 |
| 21 | 13265 |
| 22 | 19432 |
| 23 | 28024 |
| 24 | 40612 |
| 25 | 57961 |
| 26 | 82958 |
| 27 | 117469 |
| 28 | 166390 |
| 29 | 233520 |
| 30 | 327899 |
| 31 | 456534 |
| 32 | 635503 |
| 33 | 878657 |
| 34 | 1213450 |
| 35 | 1666138 |
| 36 | 2285105 |
| 37 | 3117131 |
| 38 | 4246399 |
| 39 | 5758532 |
[1,2,3,6,9,18,27,49,77,129,199,329,497,787,1194, 1838,2738,4154,6108,9098,13265,19432,28024,40612, 57961,82958,117469,166390,233520,327899,456534, 635503,878657,1213450,1666138,2285105,3117131, 4246399,5758532] |