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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 5 |
| 3 | 8 |
| 4 | 19 |
| 5 | 36 |
| 6 | 57 |
| 7 | 120 |
| 8 | 218 |
| 9 | 377 |
| 10 | 758 |
| 11 | 1366 |
| 12 | 2451 |
| 13 | 4815 |
| 14 | 8678 |
| 15 | 15839 |
| 16 | 30594 |
| 17 | 55356 |
| 18 | 102004 |
| 19 | 194522 |
| 20 | 353711 |
| 21 | 655297 |
| 22 | 1238182 |
| 23 | 2261878 |
| 24 | 4202427 |
| 25 | 7889648 |
| 26 | 14469040 |
| 27 | 26917836 |
| 28 | 50315864 |
| 29 | 92567160 |
| 30 | 172279431 |
| 31 | 321102231 |
| 32 | 592194036 |
| 33 | 1102055156 |
[3,5,8,19,36,57,120,218,377,758,1366,2451,4815, 8678,15839,30594,55356,102004,194522,353711, 655297,1238182,2261878,4202427,7889648,14469040, 26917836,50315864,92567160,172279431,321102231, 592194036,1102055156] |