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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 392 |
| 3 | 22268 |
| 4 | 1319409 |
| 5 | 78633756 |
| 6 | 4684821704 |
| 7 | 278802326676 |
| 8 | 16577412686597 |
| 9 | 985111139474492 |
| 10 | 58519095228020616 |
| 11 | 3475483474225610814 |
| 12 | 206383882956736627050 |
| 13 | 12254681900155763390448 |
| 14 | 727625190336114167472388 |
[8,392,22268,1319409,78633756,4684821704, 278802326676,16577412686597,985111139474492, 58519095228020616,3475483474225610814, 206383882956736627050,12254681900155763390448, 727625190336114167472388] |