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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 8 |
| 3 | 20 |
| 4 | 43 |
| 5 | 82 |
| 6 | 148 |
| 7 | 257 |
| 8 | 436 |
| 9 | 728 |
| 10 | 1203 |
| 11 | 1974 |
| 12 | 3224 |
| 13 | 5249 |
| 14 | 8528 |
| 15 | 13836 |
| 16 | 22427 |
| 17 | 36330 |
| 18 | 58828 |
| 19 | 95233 |
| 20 | 154140 |
| 21 | 249456 |
| 22 | 403683 |
| 23 | 653230 |
| 24 | 1057008 |
| 25 | 1710337 |
| 26 | 2767448 |
| 27 | 4477892 |
| 28 | 7245451 |
| 29 | 11723458 |
| 30 | 18969028 |
| 31 | 30692609 |
| 32 | 49661764 |
| 33 | 80354504 |
| 34 | 130016403 |
[0,1,8,20,43,82,148,257,436,728,1203,1974,3224, 5249,8528,13836,22427,36330,58828,95233,154140, 249456,403683,653230,1057008,1710337,2767448, 4477892,7245451,11723458,18969028,30692609, 49661764,80354504,130016403] |