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| n | a(n) |
|---|---|
| 0 | 1048576 |
| 1 | 289254654976 |
| 2 | 63403380965376 |
| 3 | 2064377754059776 |
| 4 | 27197360938418176 |
| 5 | 210832519264920576 |
| 6 | 1152921504606846976 |
| 7 | 4923990397355877376 |
| 8 | 17490122876598091776 |
| 9 | 53861511409489970176 |
| 10 | 148024428491834392576 |
[1048576,289254654976,63403380965376, 2064377754059776,27197360938418176, 210832519264920576,1152921504606846976, 4923990397355877376,17490122876598091776, 53861511409489970176,148024428491834392576] |