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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 7 |
| 5 | 13 |
| 6 | 28 |
| 7 | 49 |
| 8 | 91 |
| 9 | 154 |
| 10 | 271 |
| 11 | 451 |
| 12 | 778 |
| 13 | 1285 |
| 14 | 2161 |
| 15 | 3544 |
| 16 | 5887 |
| 17 | 9613 |
| 18 | 15808 |
| 19 | 25729 |
| 20 | 42079 |
| 21 | 68350 |
| 22 | 111331 |
| 23 | 180583 |
| 24 | 293470 |
| 25 | 475609 |
| 26 | 771649 |
| 27 | 1249828 |
| 28 | 2025799 |
| 29 | 3279949 |
| 30 | 5312836 |
| 31 | 8599873 |
| 32 | 13924483 |
| 33 | 22536130 |
| 34 | 36479839 |
| 35 | 59035195 |
| 36 | 95546650 |
| 37 | 154613461 |
[1,1,1,4,7,13,28,49,91,154,271,451,778,1285,2161, 3544,5887,9613,15808,25729,42079,68350,111331, 180583,293470,475609,771649,1249828,2025799, 3279949,5312836,8599873,13924483,22536130, 36479839,59035195,95546650,154613461] |