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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 288 |
| 3 | 12748 |
| 4 | 658770 |
| 5 | 32177372 |
| 6 | 1614250077 |
| 7 | 80053957248 |
| 8 | 3988024796446 |
| 9 | 198328767139736 |
| 10 | 9869645990489747 |
| 11 | 491026123739354858 |
| 12 | 24431608808618462704 |
| 13 | 1215575822472077464282 |
| 14 | 60480991464785183388557 |
[3,288,12748,658770,32177372,1614250077, 80053957248,3988024796446,198328767139736, 9869645990489747,491026123739354858, 24431608808618462704,1215575822472077464282, 60480991464785183388557] |