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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 622 |
| 3 | 16128 |
| 4 | 390125 |
| 5 | 10076832 |
| 6 | 282473877 |
| 7 | 8589932544 |
| 8 | 282429533565 |
| 9 | 9999999996000 |
| 10 | 379749833577917 |
| 11 | 15407021574579456 |
| 12 | 665416609183171053 |
| 13 | 30491346729331184928 |
| 14 | 1477891880035400377125 |
| 15 | 75557863725914323402752 |
[6,622,16128,390125,10076832,282473877,8589932544, 282429533565,9999999996000,379749833577917, 15407021574579456,665416609183171053, 30491346729331184928,1477891880035400377125, 75557863725914323402752] |