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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 24 |
| 3 | 458 |
| 4 | 18341 |
| 5 | 16641 |
| 6 | 1116830 |
| 7 | 10971256 |
| 8 | 105969200 |
| 9 | 193295556 |
| 10 | 48221950695 |
| 11 | 72585186028 |
[16,24,458,18341,16641,1116830,10971256,105969200, 193295556,48221950695,72585186028] |