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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 512 |
| 3 | 4096 |
| 4 | 2097152 |
| 5 | 16777216 |
| 6 | 1073741824 |
| 7 | 8589934592 |
| 8 | 35184372088832 |
| 9 | 281474976710656 |
| 10 | 18014398509481984 |
| 11 | 144115188075855872 |
| 12 | 73786976294838206464 |
| 13 | 590295810358705651712 |
| 14 | 37778931862957161709568 |
| 15 | 302231454903657293676544 |
[1,8,512,4096,2097152,16777216,1073741824, 8589934592,35184372088832,281474976710656, 18014398509481984,144115188075855872, 73786976294838206464,590295810358705651712, 37778931862957161709568,302231454903657293676544] |