n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 196560 |
3 | 22266840960 |
4 | 32657336384400 |
5 | 488671648133760 |
6 | 53439465983183280 |
7 | 1517285377810500480 |
8 | 33146268593842731600 |
9 | 495735471753920012160 |
10 | 5599704694679105905440 |
11 | 50142366540860643504000 |
12 | 370980488114849951891280 |
13 | 2338140291564951182050560 |
[1,0,196560,22266840960,32657336384400, 488671648133760,53439465983183280, 1517285377810500480,33146268593842731600, 495735471753920012160,5599704694679105905440, 50142366540860643504000,370980488114849951891280, 2338140291564951182050560] |