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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 8 |
| 3 | 4 |
| 4 | 21 |
| 5 | 32 |
| 6 | 36 |
| 7 | 161 |
| 8 | 264 |
| 9 | 430 |
| 10 | 1475 |
| 11 | 2598 |
| 12 | 4872 |
| 13 | 14489 |
| 14 | 27382 |
| 15 | 55350 |
| 16 | 152073 |
| 17 | 300506 |
| 18 | 637120 |
| 19 | 1666139 |
| 20 | 3393668 |
| 21 | 7453726 |
| 22 | 18821937 |
| 23 | 39280750 |
| 24 | 88534484 |
| 25 | 217732841 |
| 26 | 464385964 |
| 27 | 1065353486 |
| 28 | 2568691553 |
| 29 | 5587193344 |
| 30 | 12959951420 |
[5,8,4,21,32,36,161,264,430,1475,2598,4872,14489, 27382,55350,152073,300506,637120,1666139,3393668, 7453726,18821937,39280750,88534484,217732841, 464385964,1065353486,2568691553,5587193344, 12959951420] |