| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 30 |
| 4 | 70 |
| 5 | 2310 |
| 6 | 180180 |
| 7 | 21441420 |
| 8 | 6401795400 |
| 9 | 200984366583000 |
| 10 | 41615822944675980000 |
| 11 | 10515527757483671302380000 |
| 12 | 4919824049783476260137727416400000 |
| 13 | 5158181210492841550866520676965246284000000 |
| 14 | 29776760895364738730693151196801613158042403043600000000 |
[1,2,3,30,70,2310,180180,21441420,6401795400, 200984366583000,41615822944675980000, 10515527757483671302380000, 4919824049783476260137727416400000, 5158181210492841550866520676965246284000000, 29776760895364738730693151196801613158042403043600\ 000000] |