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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 32 |
| 3 | 96 |
| 4 | 1024 |
| 5 | 2560 |
| 6 | 4096 |
| 7 | 28672 |
| 8 | 524288 |
| 9 | 1179648 |
| 10 | 5242880 |
| 11 | 11534336 |
| 12 | 100663296 |
| 13 | 218103808 |
| 14 | 939524096 |
| 15 | 134217728 |
| 16 | 68719476736 |
| 17 | 146028888064 |
| 18 | 206158430208 |
| 19 | 1305670057984 |
| 20 | 2199023255552 |
| 21 | 7696581394432 |
| 22 | 96757023244288 |
| 23 | 202310139510784 |
| 24 | 1125899906842624 |
[4,32,96,1024,2560,4096,28672,524288,1179648, 5242880,11534336,100663296,218103808,939524096, 134217728,68719476736,146028888064,206158430208, 1305670057984,2199023255552,7696581394432, 96757023244288,202310139510784,1125899906842624] |