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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 13 |
| 5 | 18 |
| 6 | 49 |
| 7 | 67 |
| 8 | 116 |
| 9 | 299 |
| 10 | 415 |
| 11 | 714 |
| 12 | 1843 |
| 13 | 2557 |
| 14 | 6957 |
| 15 | 9514 |
| 16 | 16471 |
| 17 | 42456 |
| 18 | 58927 |
| 19 | 160310 |
| 20 | 219237 |
| 21 | 379547 |
| 22 | 978331 |
| 23 | 1357878 |
| 24 | 2336209 |
| 25 | 6030296 |
| 26 | 8366505 |
| 27 | 22763306 |
| 28 | 31129811 |
| 29 | 53893117 |
| 30 | 138916045 |
| 31 | 192809162 |
| 32 | 331725207 |
| 33 | 856259576 |
[1,2,3,5,13,18,49,67,116,299,415,714,1843,2557, 6957,9514,16471,42456,58927,160310,219237,379547, 978331,1357878,2336209,6030296,8366505,22763306, 31129811,53893117,138916045,192809162,331725207, 856259576] |