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| n | a(n) |
|---|---|
| 1 | 496 |
| 2 | 523776 |
| 3 | 23569920 |
| 4 | 142990848 |
| 5 | 275502900594021408 |
| 6 | 622286506811515392 |
| 7 | 71065075104190073088 |
| 8 | 34384125938411324962897920 |
| 9 | 41254809330254618094796800000 |
| 10 | 2360137508360958913826987704320 |
| 11 | 11990459635691909131039408128000 |
| 12 | 24862223033124742964111030747136 |
[496,523776,23569920,142990848,275502900594021408, 622286506811515392,71065075104190073088, 34384125938411324962897920, 41254809330254618094796800000, 2360137508360958913826987704320, 11990459635691909131039408128000, 24862223033124742964111030747136] |