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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 13 |
| 6 | 24 |
| 7 | 48 |
| 8 | 72 |
| 9 | 119 |
| 10 | 220 |
| 11 | 348 |
| 12 | 407 |
| 13 | 587 |
| 14 | 797 |
| 15 | 1125 |
| 16 | 1555 |
| 17 | 1847 |
| 18 | 2581 |
| 19 | 3560 |
| 20 | 3571 |
| 21 | 3690 |
| 22 | 4982 |
| 23 | 6739 |
| 24 | 7134 |
| 25 | 9429 |
| 26 | 11659 |
[2,3,5,9,13,24,48,72,119,220,348,407,587,797,1125, 1555,1847,2581,3560,3571,3690,4982,6739,7134,9429, 11659] |