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| n | a(n) |
|---|---|
| 1 | 64000000000 |
| 2 | 24500000000000 |
| 3 | 9378906250000000 |
| 4 | 3590362548828125000 |
| 5 | 394078193359375000000 |
| 6 | 43254022503125000000000 |
| 7 | 4747561509943000000000000 |
| 8 | 234491558099104656000000000 |
| 9 | 11582007037630977169152000000 |
[64000000000,24500000000000,9378906250000000, 3590362548828125000,394078193359375000000, 43254022503125000000000,4747561509943000000000000, 234491558099104656000000000, 11582007037630977169152000000] |