n | a(n) |
---|---|
0 | 1 |
1 | 10 |
2 | 110 |
3 | 1320 |
4 | 17160 |
5 | 240240 |
6 | 3603600 |
7 | 57657600 |
8 | 980179200 |
9 | 17643225600 |
10 | 335221286400 |
11 | 6704425728000 |
12 | 140792940288000 |
13 | 3097444686336000 |
14 | 71241227785728000 |
15 | 1709789466857472000 |
16 | 42744736671436800000 |
17 | 1111363153457356800000 |
18 | 30006805143348633600000 |
[1,10,110,1320,17160,240240,3603600,57657600, 980179200,17643225600,335221286400,6704425728000, 140792940288000,3097444686336000, 71241227785728000,1709789466857472000, 42744736671436800000,1111363153457356800000, 30006805143348633600000] |