n | a(n) |
---|---|
1 | 2 |
2 | 6 |
3 | 24 |
4 | 96 |
5 | 384 |
6 | 2304 |
7 | 9216 |
8 | 46080 |
9 | 276480 |
10 | 1658880 |
11 | 6635520 |
12 | 53084160 |
13 | 212336640 |
14 | 1274019840 |
15 | 10192158720 |
16 | 61152952320 |
17 | 244611809280 |
18 | 2201506283520 |
19 | 8806025134080 |
20 | 70448201072640 |
21 | 563585608581120 |
22 | 3381513651486720 |
23 | 13526054605946880 |
[2,6,24,96,384,2304,9216,46080,276480,1658880, 6635520,53084160,212336640,1274019840,10192158720, 61152952320,244611809280,2201506283520, 8806025134080,70448201072640,563585608581120, 3381513651486720,13526054605946880] |