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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 9 |
| 6 | 14 |
| 7 | 23 |
| 8 | 36 |
| 9 | 56 |
| 10 | 88 |
| 11 | 138 |
| 12 | 216 |
| 13 | 338 |
| 14 | 529 |
| 15 | 828 |
| 16 | 1296 |
| 17 | 2028 |
| 18 | 3174 |
| 19 | 4968 |
| 20 | 7776 |
| 21 | 12170 |
| 22 | 19047 |
| 23 | 29810 |
| 24 | 46656 |
| 25 | 73020 |
| 26 | 114283 |
| 27 | 178863 |
| 28 | 279936 |
| 29 | 438123 |
| 30 | 685700 |
| 31 | 1073179 |
| 32 | 1679616 |
| 33 | 2628741 |
| 34 | 4114202 |
| 35 | 6439074 |
| 36 | 10077696 |
| 37 | 15772446 |
| 38 | 24685212 |
| 39 | 38634446 |
[1,1,2,3,6,9,14,23,36,56,88,138,216,338,529,828, 1296,2028,3174,4968,7776,12170,19047,29810,46656, 73020,114283,178863,279936,438123,685700,1073179, 1679616,2628741,4114202,6439074,10077696,15772446, 24685212,38634446] |