n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 8 |
5 | 24 |
6 | 96 |
7 | 384 |
8 | 1536 |
9 | 7680 |
10 | 46080 |
11 | 276480 |
12 | 1658880 |
13 | 11612160 |
14 | 92897280 |
15 | 743178240 |
16 | 5945425920 |
17 | 53508833280 |
18 | 535088332800 |
19 | 5350883328000 |
20 | 53508833280000 |
21 | 588597166080000 |
22 | 7063165992960000 |
[1,1,2,4,8,24,96,384,1536,7680,46080,276480, 1658880,11612160,92897280,743178240,5945425920, 53508833280,535088332800,5350883328000, 53508833280000,588597166080000,7063165992960000] |