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| n | a(n) |
|---|---|
| 6 | 95040 |
| 7 | 6308280 |
| 8 | 259518600 |
| 9 | 8563232700 |
| 10 | 249224561040 |
| 11 | 6703099068120 |
| 12 | 171052924578480 |
| 13 | 4209175565848800 |
| 14 | 100941470303368480 |
| 15 | 2376150752752629210 |
| 16 | 55182874193888254800 |
| 17 | 1268931845185709426820 |
| 18 | 28968880808493233206500 |
| 19 | 657875495503038733415880 |
[95040,6308280,259518600,8563232700,249224561040, 6703099068120,171052924578480,4209175565848800, 100941470303368480,2376150752752629210, 55182874193888254800,1268931845185709426820, 28968880808493233206500,657875495503038733415880] |