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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 16 |
| 2 | 1296 |
| 3 | 160000 |
| 4 | 24010000 |
| 5 | 4032758016 |
| 6 | 728933458176 |
| 7 | 138735983333376 |
| 8 | 27435582641610000 |
| 9 | 5588044012339360000 |
| 10 | 1165183173971324375296 |
| 11 | 247639903129149250277376 |
| 12 | 53472066459540320483696896 |
| 13 | 11701285507234585729600000000 |
| 14 | 2589980371199606611713600000000 |
[1,16,1296,160000,24010000,4032758016, 728933458176,138735983333376,27435582641610000, 5588044012339360000,1165183173971324375296, 247639903129149250277376, 53472066459540320483696896, 11701285507234585729600000000, 2589980371199606611713600000000] |