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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 8 |
| 6 | 19 |
| 7 | 24 |
| 8 | 45 |
| 9 | 75 |
| 10 | 133 |
| 11 | 215 |
| 12 | 401 |
| 13 | 662 |
| 14 | 1177 |
| 15 | 2035 |
| 16 | 3587 |
| 17 | 6190 |
| 18 | 10933 |
| 19 | 18979 |
| 20 | 33339 |
| 21 | 58157 |
| 22 | 101958 |
| 23 | 178046 |
| 24 | 312088 |
| 25 | 545478 |
| 26 | 955321 |
| 27 | 1670994 |
| 28 | 2925717 |
| 29 | 5118560 |
| 30 | 8960946 |
| 31 | 15680074 |
| 32 | 27447350 |
| 33 | 48033502 |
| 34 | 84076143 |
| 35 | 147142496 |
| 36 | 257546243 |
| 37 | 450748484 |
| 38 | 788937192 |
[1,1,2,4,6,8,19,24,45,75,133,215,401,662,1177, 2035,3587,6190,10933,18979,33339,58157,101958, 178046,312088,545478,955321,1670994,2925717, 5118560,8960946,15680074,27447350,48033502, 84076143,147142496,257546243,450748484,788937192] |