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| n | a(n) |
|---|---|
| 1 | 1511152 |
| 2 | 36538548 |
| 3 | 1054310240 |
| 4 | 31143715804 |
| 5 | 886761490936 |
| 6 | 24789263869340 |
| 7 | 684072377169008 |
| 8 | 18738106424812380 |
| 9 | 512823923719769272 |
| 10 | 14030281670008005564 |
| 11 | 383831267774223029112 |
| 12 | 10500422875690342522680 |
[1511152,36538548,1054310240,31143715804, 886761490936,24789263869340,684072377169008, 18738106424812380,512823923719769272, 14030281670008005564,383831267774223029112, 10500422875690342522680] |