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| n | a(n) |
|---|---|
| 1 | 64 |
| 2 | 4096 |
| 3 | 61996 |
| 4 | 1944586 |
| 5 | 60714322 |
| 6 | 1536573216 |
| 7 | 43558358008 |
| 8 | 1229158478968 |
| 9 | 33715030639152 |
| 10 | 940176798492406 |
| 11 | 26184077081950792 |
| 12 | 726505692803789842 |
| 13 | 20205409790700030932 |
| 14 | 561795999161298554570 |
| 15 | 15612682504741076575246 |
[64,4096,61996,1944586,60714322,1536573216, 43558358008,1229158478968,33715030639152, 940176798492406,26184077081950792, 726505692803789842,20205409790700030932, 561795999161298554570,15612682504741076575246] |