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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 60 |
| 2 | 3600 |
| 3 | 216000 |
| 4 | 12960000 |
| 5 | 777600000 |
| 6 | 46656000000 |
| 7 | 2799360000000 |
| 8 | 167961600000000 |
| 9 | 10077696000000000 |
| 10 | 604661760000000000 |
| 11 | 36279705600000000000 |
| 12 | 2176782336000000000000 |
| 13 | 130606940160000000000000 |
| 14 | 7836416409600000000000000 |
| 15 | 470184984576000000000000000 |
[1,60,3600,216000,12960000,777600000,46656000000, 2799360000000,167961600000000,10077696000000000, 604661760000000000,36279705600000000000, 2176782336000000000000,130606940160000000000000, 7836416409600000000000000, 470184984576000000000000000] |