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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 225 |
| 3 | 5080 |
| 4 | 118128 |
| 5 | 2735828 |
| 6 | 63367633 |
| 7 | 1467726607 |
| 8 | 33995627281 |
| 9 | 787410049440 |
| 10 | 18238068717816 |
| 11 | 422431934648884 |
| 12 | 9784409861152809 |
| 13 | 226627459902104327 |
| 14 | 5249167431711452449 |
| 15 | 121581730378315708936 |
| 16 | 2816087951868941718112 |
[8,225,5080,118128,2735828,63367633,1467726607, 33995627281,787410049440,18238068717816, 422431934648884,9784409861152809, 226627459902104327,5249167431711452449, 121581730378315708936,2816087951868941718112] |