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| n | a(n) |
|---|---|
| 1 | 42 |
| 2 | 1764 |
| 3 | 14406 |
| 4 | 212814 |
| 5 | 2472540 |
| 6 | 31569510 |
| 7 | 388134978 |
| 8 | 4844843724 |
| 9 | 60105117534 |
| 10 | 747536620446 |
| 11 | 9287588538564 |
| 12 | 115441611327546 |
| 13 | 1434634623961938 |
| 14 | 17830155700946568 |
| 15 | 221591726286572670 |
| 16 | 2753968042158084066 |
[42,1764,14406,212814,2472540,31569510,388134978, 4844843724,60105117534,747536620446,9287588538564, 115441611327546,1434634623961938, 17830155700946568,221591726286572670, 2753968042158084066] |