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| n | a(n) |
|---|---|
| 1 | 6272 |
| 2 | 66228 |
| 3 | 666880 |
| 4 | 7165920 |
| 5 | 72539432 |
| 6 | 790261148 |
| 7 | 8028682984 |
| 8 | 88710949848 |
| 9 | 904037477472 |
| 10 | 10133236760728 |
| 11 | 103526333639528 |
| 12 | 1177176079902156 |
| 13 | 12050136543826616 |
| 14 | 138970750405944768 |
| 15 | 1424578896164786720 |
[6272,66228,666880,7165920,72539432,790261148, 8028682984,88710949848,904037477472, 10133236760728,103526333639528,1177176079902156, 12050136543826616,138970750405944768, 1424578896164786720] |