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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 29 |
| 3 | 268 |
| 4 | 2104 |
| 5 | 17578 |
| 6 | 143072 |
| 7 | 1177709 |
| 8 | 9646285 |
| 9 | 79185086 |
| 10 | 649376899 |
| 11 | 5327739196 |
| 12 | 43702127758 |
| 13 | 358509826061 |
| 14 | 2940912358777 |
| 15 | 24125201563249 |
| 16 | 197904782854703 |
| 17 | 1623466068552246 |
| 18 | 13317706169767704 |
| 19 | 109248620592925041 |
[5,29,268,2104,17578,143072,1177709,9646285, 79185086,649376899,5327739196,43702127758, 358509826061,2940912358777,24125201563249, 197904782854703,1623466068552246, 13317706169767704,109248620592925041] |