The OEIS is supported by the many generous donors to the OEIS Foundation.
A068296 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 120 |
| 3 | 161280 |
| 4 | 2451486720 |
| 5 | 421421199390720 |
| 6 | 819296954885530030080 |
| 7 | 18013654371239090908333148160 |
| 8 | 4479149596637688119857975807616194560 |
| 9 | 12595676735919821000208123310178819903753287680 |
| 10 | 400570738126155220679966449710339235598075113573822617600 |
[1,120,161280,2451486720,421421199390720, 819296954885530030080, 18013654371239090908333148160, 4479149596637688119857975807616194560, 12595676735919821000208123310178819903753287680, 40057073812615522067996644971033923559807511357382\ 2617600] |