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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 255 |
| 3 | 5804 |
| 4 | 129129 |
| 5 | 2499080 |
| 6 | 43555569 |
| 7 | 683027146 |
| 8 | 9748574556 |
| 9 | 127531124302 |
| 10 | 1540596418525 |
| 11 | 17291858116440 |
| 12 | 181338323456395 |
| 13 | 1785428392643952 |
| 14 | 16575758386318547 |
[8,255,5804,129129,2499080,43555569,683027146, 9748574556,127531124302,1540596418525, 17291858116440,181338323456395,1785428392643952, 16575758386318547] |