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| n | a(n) |
|---|---|
| 1 | 512 |
| 2 | 29952 |
| 3 | 3912576 |
| 4 | 1018596736 |
| 5 | 615887502592 |
| 6 | 871411470160000 |
| 7 | 2791393651770044928 |
| 8 | 20834584212281010642048 |
| 9 | 359773454516444702380773120 |
| 10 | 14455392568428580152969089843072 |
| 11 | 1342532863362457191125034598691859456 |
[512,29952,3912576,1018596736,615887502592, 871411470160000,2791393651770044928, 20834584212281010642048, 359773454516444702380773120, 14455392568428580152969089843072, 1342532863362457191125034598691859456] |