The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 60 |
| 2 | 12600 |
| 3 | 2522520 |
| 4 | 514594080 |
| 5 | 107550162720 |
| 6 | 22969641895200 |
| 7 | 4995897112206000 |
| 8 | 1103284402265073600 |
| 9 | 246784661070292144800 |
| 10 | 55803246694136969227200 |
| 11 | 12736017918577260592084800 |
| 12 | 2930174751896446667689440000 |
| 13 | 678879630375093886522676256000 |
| 14 | 158257286142440155623613107216000 |
[60,12600,2522520,514594080,107550162720, 22969641895200,4995897112206000, 1103284402265073600,246784661070292144800, 55803246694136969227200, 12736017918577260592084800, 2930174751896446667689440000, 678879630375093886522676256000, 158257286142440155623613107216000] |