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| n | a(n) |
|---|---|
| 1 | 64 |
| 2 | 8192 |
| 3 | 582032 |
| 4 | 49914496 |
| 5 | 4203272237 |
| 6 | 356575568843 |
| 7 | 30260326859957 |
| 8 | 2568233775595684 |
| 9 | 217979679558156226 |
| 10 | 18501304542474481340 |
| 11 | 1570323059564422761030 |
| 12 | 133283374981849052162973 |
[64,8192,582032,49914496,4203272237,356575568843, 30260326859957,2568233775595684, 217979679558156226,18501304542474481340, 1570323059564422761030,133283374981849052162973] |