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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 64 |
| 2 | 46656 |
| 3 | 497664 |
| 4 | 11664000000 |
| 5 | 518400000 |
| 6 | 274451587200000 |
| 7 | 41821194240000 |
| 8 | 63515938752000000 |
| 9 | 403275801600000 |
| 10 | 3750745332381062400000 |
| 11 | 8659729483130880000 |
| 12 | 115208108444831203593792000000 |
| 13 | 60895775359471852800000 |
| 14 | 189903475458512972956800000 |
[1,64,46656,497664,11664000000,518400000, 274451587200000,41821194240000,63515938752000000, 403275801600000,3750745332381062400000, 8659729483130880000, 115208108444831203593792000000, 60895775359471852800000, 189903475458512972956800000] |