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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 4 |
| 7 | 5 |
| 8 | 8 |
| 9 | 12 |
| 10 | 16 |
| 11 | 26 |
| 12 | 36 |
| 13 | 55 |
| 14 | 81 |
| 15 | 118 |
| 16 | 177 |
| 17 | 257 |
| 18 | 384 |
| 19 | 564 |
| 20 | 833 |
| 21 | 1233 |
| 22 | 1813 |
| 23 | 2685 |
| 24 | 3956 |
| 25 | 5845 |
| 26 | 8629 |
| 27 | 12731 |
| 28 | 18807 |
| 29 | 27746 |
| 30 | 40976 |
| 31 | 60481 |
| 32 | 89282 |
| 33 | 131816 |
| 34 | 194562 |
| 35 | 287253 |
| 36 | 424018 |
| 37 | 625968 |
| 38 | 924077 |
[1,1,1,2,2,4,5,8,12,16,26,36,55,81,118,177,257, 384,564,833,1233,1813,2685,3956,5845,8629,12731, 18807,27746,40976,60481,89282,131816,194562, 287253,424018,625968,924077] |