n | a(n) |
---|---|
1 | 0 |
2 | 24 |
3 | 120 |
4 | 6240 |
5 | 30624 |
6 | 1585080 |
7 | 7778520 |
8 | 402604224 |
9 | 1975713600 |
10 | 102259887960 |
11 | 501823476024 |
12 | 25973608937760 |
13 | 127461187196640 |
14 | 6597194410303224 |
15 | 32374639724470680 |
16 | 1675661406608081280 |
17 | 8223031028828356224 |
18 | 425611400084042342040 |
19 | 2088617506682678010360 |
[0,24,120,6240,30624,1585080,7778520,402604224, 1975713600,102259887960,501823476024, 25973608937760,127461187196640,6597194410303224, 32374639724470680,1675661406608081280, 8223031028828356224,425611400084042342040, 2088617506682678010360] |