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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 8 |
| 3 | 83 |
| 4 | 1125 |
| 5 | 6582 |
| 6 | 89852 |
| 7 | 564838 |
| 8 | 7879795 |
| 9 | 50958999 |
| 10 | 723447048 |
| 11 | 4750196831 |
| 12 | 67994171066 |
| 13 | 451003258750 |
| 14 | 6495868727212 |
| 15 | 43379306929941 |
| 16 | 627562261878355 |
| 17 | 4211483429644946 |
| 18 | 61133435798313074 |
| 19 | 411800332378830207 |
[4,8,83,1125,6582,89852,564838,7879795,50958999, 723447048,4750196831,67994171066,451003258750, 6495868727212,43379306929941,627562261878355, 4211483429644946,61133435798313074, 411800332378830207] |