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| n | a(n) |
|---|---|
| 0 | 4 |
| 1 | 7 |
| 2 | 11 |
| 3 | 18 |
| 4 | 27 |
| 5 | 42 |
| 6 | 64 |
| 7 | 99 |
| 8 | 156 |
| 9 | 246 |
| 10 | 391 |
| 11 | 625 |
| 12 | 1003 |
| 13 | 1614 |
| 14 | 2603 |
| 15 | 4201 |
| 16 | 6786 |
| 17 | 10968 |
| 18 | 17734 |
| 19 | 28681 |
| 20 | 46393 |
| 21 | 75051 |
| 22 | 121420 |
| 23 | 196446 |
| 24 | 317841 |
| 25 | 514260 |
| 26 | 832072 |
| 27 | 1346302 |
| 28 | 2178343 |
| 29 | 3524613 |
| 30 | 5702923 |
| 31 | 9227502 |
| 32 | 14930390 |
| 33 | 24157856 |
| 34 | 39088209 |
[4,7,11,18,27,42,64,99,156,246,391,625,1003,1614, 2603,4201,6786,10968,17734,28681,46393,75051, 121420,196446,317841,514260,832072,1346302, 2178343,3524613,5702923,9227502,14930390,24157856, 39088209] |