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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 8 |
| 6 | 14 |
| 7 | 19 |
| 8 | 34 |
| 9 | 40 |
| 10 | 55 |
| 11 | 178 |
| 12 | 251 |
| 13 | 314 |
| 14 | 410 |
| 15 | 982 |
| 16 | 1198 |
| 17 | 1604 |
| 18 | 2486 |
| 19 | 2642 |
| 20 | 3928 |
| 21 | 19231 |
| 22 | 24874 |
| 23 | 28850 |
| 24 | 143963 |
[1,2,4,7,8,14,19,34,40,55,178,251,314,410,982, 1198,1604,2486,2642,3928,19231,24874,28850,143963] |