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| n | a(n) |
|---|---|
| 1 | 42 |
| 2 | 1764 |
| 3 | 14946 |
| 4 | 209050 |
| 5 | 2485392 |
| 6 | 31431114 |
| 7 | 388134978 |
| 8 | 4829044276 |
| 9 | 59932307050 |
| 10 | 744575694026 |
| 11 | 9247079324448 |
| 12 | 114855785954414 |
| 13 | 1426522758927058 |
| 14 | 17717786782797060 |
| 15 | 220058305703080950 |
| 16 | 2733176728894351270 |
[42,1764,14946,209050,2485392,31431114,388134978, 4829044276,59932307050,744575694026,9247079324448, 114855785954414,1426522758927058, 17717786782797060,220058305703080950, 2733176728894351270] |