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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 50 |
| 3 | 1300 |
| 4 | 65000 |
| 5 | 7930000 |
| 6 | 1348100000 |
| 7 | 390949000000 |
| 8 | 141523538000000 |
| 9 | 75007475140000000 |
| 10 | 63156294067880000000 |
| 11 | 60756354893300560000000 |
| 12 | 83236206203821767200000000 |
| 13 | 140003298834828212430400000000 |
[5,50,1300,65000,7930000,1348100000,390949000000, 141523538000000,75007475140000000, 63156294067880000000,60756354893300560000000, 83236206203821767200000000, 140003298834828212430400000000] |