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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 8 |
| 2 | 556 |
| 3 | 496 |
| 4 | 717572 |
| 5 | 52939408 |
| 6 | 870202072 |
| 7 | 964225030112 |
| 8 | 657454597470988 |
| 9 | 27485377040128048 |
| 10 | 700808303776317525176 |
| 11 | 1479866177061564649568 |
| 12 | 1640650015131154843789016 |
| 13 | 13376815891310731844679270304 |
| 14 | 25395222315410089406698868631728 |
[2,8,556,496,717572,52939408,870202072, 964225030112,657454597470988,27485377040128048, 700808303776317525176,1479866177061564649568, 1640650015131154843789016, 13376815891310731844679270304, 25395222315410089406698868631728] |