| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 10 |
| 4 | 20 |
| 5 | 36 |
| 6 | 65 |
| 7 | 110 |
| 8 | 185 |
| 9 | 300 |
| 10 | 481 |
| 11 | 752 |
| 12 | 1165 |
| 13 | 1770 |
| 14 | 2665 |
| 15 | 3956 |
| 16 | 5822 |
| 17 | 8470 |
| 18 | 12230 |
| 19 | 17490 |
| 20 | 24842 |
| 21 | 35002 |
| 22 | 49010 |
| 23 | 68150 |
| 24 | 94235 |
| 25 | 129512 |
| 26 | 177087 |
| 27 | 240840 |
| 28 | 326015 |
| 29 | 439190 |
| 30 | 589128 |
| 31 | 786814 |
| 32 | 1046705 |
| 33 | 1386930 |
| 34 | 1831065 |
| 35 | 2408658 |
| 36 | 3157789 |
| 37 | 4126070 |
| 38 | 5374390 |
[1,2,5,10,20,36,65,110,185,300,481,752,1165,1770, 2665,3956,5822,8470,12230,17490,24842,35002,49010, 68150,94235,129512,177087,240840,326015,439190, 589128,786814,1046705,1386930,1831065,2408658, 3157789,4126070,5374390] |