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| n | a(n) |
|---|---|
| 1 | 125 |
| 2 | 300125 |
| 3 | 663552000 |
| 4 | 1464514260125 |
| 5 | 3232184906328125 |
| 6 | 7133430745792512000 |
| 7 | 15743478429512478120125 |
| 8 | 34745849760772636969860125 |
| 9 | 76684074678559433693601792000 |
| 10 | 169241718069731503830237768828125 |
| 11 | 373516395095822778319979141039280125 |
[125,300125,663552000,1464514260125, 3232184906328125,7133430745792512000, 15743478429512478120125, 34745849760772636969860125, 76684074678559433693601792000, 169241718069731503830237768828125, 373516395095822778319979141039280125] |