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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2750 |
| 2 | 240792500 |
| 3 | 476435807656250 |
| 4 | 23281990342550349218750 |
| 5 | 28421639578439751858524316406250 |
| 6 | 867361627854127751979489169989053222656250 |
| 7 | 661744485814033466080522054941127992979336242675781250 |
| 8 | 12621774479565721940094050972136407827779530711644791809997558593750 |
[1,2750,240792500,476435807656250, 23281990342550349218750, 28421639578439751858524316406250, 867361627854127751979489169989053222656250, 66174448581403346608052205494112799297933624267578\ 1250, 12621774479565721940094050972136407827779530711644\ 791809997558593750] |