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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 16 |
| 4 | 64 |
| 5 | 1024 |
| 6 | 16384 |
| 7 | 524288 |
| 8 | 16777216 |
| 9 | 4294967296 |
| 10 | 1099511627776 |
| 11 | 562949953421312 |
| 12 | 288230376151711744 |
| 13 | 590295810358705651712 |
| 14 | 1208925819614629174706176 |
| 15 | 4951760157141521099596496896 |
| 16 | 20282409603651670423947251286016 |
| 17 | 1329227995784915872903807060280344576 |
[2,4,16,64,1024,16384,524288,16777216,4294967296, 1099511627776,562949953421312,288230376151711744, 590295810358705651712,1208925819614629174706176, 4951760157141521099596496896, 20282409603651670423947251286016, 1329227995784915872903807060280344576] |