n | a(n) |
---|---|
1 | 1 |
2 | 20160 |
3 | 12130560 |
4 | 660602880 |
5 | 29016000000 |
6 | 244552089600 |
7 | 4635182361600 |
8 | 21646635171840 |
9 | 174060277297920 |
10 | 584962560000000 |
11 | 4139330225184000 |
12 | 8013482872012800 |
13 | 50858076935877120 |
14 | 93445276409856000 |
15 | 351980328960000000 |
16 | 709316941310853120 |
17 | 2851903720876769280 |
[1,20160,12130560,660602880,29016000000, 244552089600,4635182361600,21646635171840, 174060277297920,584962560000000,4139330225184000, 8013482872012800,50858076935877120, 93445276409856000,351980328960000000, 709316941310853120,2851903720876769280] |