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| n | a(n) |
|---|---|
| 4 | 13 |
| 5 | 21 |
| 6 | 34 |
| 7 | 53 |
| 8 | 84 |
| 9 | 131 |
| 10 | 204 |
| 11 | 318 |
| 12 | 493 |
| 13 | 766 |
| 14 | 1188 |
| 15 | 1842 |
| 16 | 2857 |
| 17 | 4428 |
| 18 | 6865 |
| 19 | 10641 |
| 20 | 16493 |
| 21 | 25565 |
| 22 | 39623 |
| 23 | 61414 |
| 24 | 95187 |
| 25 | 147531 |
| 26 | 228662 |
| 27 | 354404 |
| 28 | 549295 |
| 29 | 851357 |
| 30 | 1319523 |
| 31 | 2045140 |
| 32 | 3169774 |
| 33 | 4912854 |
| 34 | 7614464 |
| 35 | 11801703 |
| 36 | 18291535 |
| 37 | 28350160 |
| 38 | 43940087 |
[13,21,34,53,84,131,204,318,493,766,1188,1842, 2857,4428,6865,10641,16493,25565,39623,61414, 95187,147531,228662,354404,549295,851357,1319523, 2045140,3169774,4912854,7614464,11801703,18291535, 28350160,43940087] |