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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 429981696 |
| 2 | 78310985281 |
| 3 | 1785793904896 |
| 4 | 16815125390625 |
| 5 | 96717311574016 |
| 6 | 406067677556641 |
| 7 | 1370114370683136 |
| 8 | 3936588805702081 |
| 9 | 10000000000000000 |
| 10 | 23045377697175681 |
| 11 | 49077072127303936 |
| 12 | 97906861202319841 |
[1,429981696,78310985281,1785793904896, 16815125390625,96717311574016,406067677556641, 1370114370683136,3936588805702081, 10000000000000000,23045377697175681, 49077072127303936,97906861202319841] |