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| n | a(n) |
|---|---|
| 1 | 64000000 |
| 2 | 4000000000 |
| 3 | 250000000000 |
| 4 | 15625000000000 |
| 5 | 382812500000000 |
| 6 | 9378906250000000 |
| 7 | 229783203125000000 |
| 8 | 3152625546875000000 |
| 9 | 43254022503125000000 |
| 10 | 593445188742875000000 |
| 11 | 5469190859454336000000 |
[64000000,4000000000,250000000000,15625000000000, 382812500000000,9378906250000000, 229783203125000000,3152625546875000000, 43254022503125000000,593445188742875000000, 5469190859454336000000] |