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| n | a(n) |
|---|---|
| 1 | 681080400 |
| 2 | 676508133623135814000 |
| 3 | 3031982831164890119435183865600000 |
| 4 | 26585119285914456883176777688331471089227750000 |
| 5 | 341296897608554687055256179810792324655491010769411003750400 |
[681080400,676508133623135814000, 3031982831164890119435183865600000, 26585119285914456883176777688331471089227750000, 34129689760855468705525617981079232465549101076941\ 1003750400] |