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| n | a(n) |
|---|---|
| 1 | 60 |
| 2 | 3600 |
| 3 | 216000 |
| 4 | 12067722 |
| 5 | 648144348 |
| 6 | 33600202086 |
| 7 | 1691726672094 |
| 8 | 83078866656672 |
| 9 | 3993019853352132 |
| 10 | 188338933978296900 |
| 11 | 8737015871231173194 |
| 12 | 399355062781386269430 |
| 13 | 18013039522804400997948 |
| 14 | 802791844156171633174662 |
[60,3600,216000,12067722,648144348,33600202086, 1691726672094,83078866656672,3993019853352132, 188338933978296900,8737015871231173194, 399355062781386269430,18013039522804400997948, 802791844156171633174662] |