n | a(n) |
---|---|
1 | 0 |
2 | 6 |
3 | 420 |
4 | 29394 |
5 | 2057160 |
6 | 143971806 |
7 | 10075969260 |
8 | 705173876394 |
9 | 49352095378320 |
10 | 3453941502606006 |
11 | 241726553087042100 |
12 | 16917404774590340994 |
13 | 1183976607668236827480 |
14 | 82861445132001987582606 |
[0,6,420,29394,2057160,143971806,10075969260, 705173876394,49352095378320,3453941502606006, 241726553087042100,16917404774590340994, 1183976607668236827480,82861445132001987582606] |