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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 256 |
| 2 | 1048576 |
| 3 | 268435456 |
| 4 | 17592186044416 |
| 5 | 4503599627370496 |
| 6 | 18446744073709551616 |
| 7 | 4722366482869645213696 |
| 8 | 4951760157141521099596496896 |
| 9 | 1267650600228229401496703205376 |
| 10 | 5192296858534827628530496329220096 |
| 11 | 1329227995784915872903807060280344576 |
| 12 | 87112285931760246646623899502532662132736 |
[1,256,1048576,268435456,17592186044416, 4503599627370496,18446744073709551616, 4722366482869645213696, 4951760157141521099596496896, 1267650600228229401496703205376, 5192296858534827628530496329220096, 1329227995784915872903807060280344576, 87112285931760246646623899502532662132736] |