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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 8 |
| 4 | 15 |
| 5 | 28 |
| 6 | 49 |
| 7 | 84 |
| 8 | 141 |
| 9 | 234 |
| 10 | 385 |
| 11 | 630 |
| 12 | 1027 |
| 13 | 1670 |
| 14 | 2711 |
| 15 | 4396 |
| 16 | 7123 |
| 17 | 11536 |
| 18 | 18677 |
| 19 | 30232 |
| 20 | 48929 |
| 21 | 79182 |
| 22 | 128133 |
| 23 | 207338 |
| 24 | 335495 |
| 25 | 542858 |
| 26 | 878379 |
| 27 | 1421264 |
| 28 | 2299671 |
| 29 | 3720964 |
| 30 | 6020665 |
| 31 | 9741660 |
| 32 | 15762357 |
| 33 | 25504050 |
| 34 | 41266441 |
| 35 | 66770526 |
| 36 | 108037003 |
| 37 | 174807566 |
[2,3,8,15,28,49,84,141,234,385,630,1027,1670,2711, 4396,7123,11536,18677,30232,48929,79182,128133, 207338,335495,542858,878379,1421264,2299671, 3720964,6020665,9741660,15762357,25504050, 41266441,66770526,108037003,174807566] |