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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 8 |
| 3 | 128 |
| 4 | 2048 |
| 5 | 524288 |
| 6 | 8388608 |
| 7 | 2147483648 |
| 8 | 34359738368 |
| 9 | 8796093022208 |
| 10 | 36028797018963968 |
| 11 | 576460752303423488 |
| 12 | 2361183241434822606848 |
| 13 | 604462909807314587353088 |
| 14 | 9671406556917033397649408 |
[2,8,128,2048,524288,8388608,2147483648, 34359738368,8796093022208,36028797018963968, 576460752303423488,2361183241434822606848, 604462909807314587353088, 9671406556917033397649408] |