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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 8200 |
| 3 | 2391525 |
| 4 | 134217856 |
| 5 | 3051758125 |
| 6 | 39182082696 |
| 7 | 339111537625 |
| 8 | 2199023257600 |
| 9 | 11438396230761 |
| 10 | 50000000005000 |
| 11 | 189874916798941 |
| 12 | 641959232284800 |
| 13 | 1968688192863925 |
| 14 | 5556003412798216 |
| 15 | 14596463012720625 |
[0,1,8200,2391525,134217856,3051758125, 39182082696,339111537625,2199023257600, 11438396230761,50000000005000,189874916798941, 641959232284800,1968688192863925,5556003412798216, 14596463012720625] |