n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 16 |
4 | 128 |
5 | 1280 |
6 | 3072 |
7 | 215040 |
8 | 3440640 |
9 | 2293760 |
10 | 137625600 |
11 | 201850880 |
12 | 72666316800 |
13 | 1889324236800 |
14 | 52901078630400 |
15 | 176336928768000 |
16 | 135426761293824 |
17 | 191854578499584000 |
18 | 1593868805996544000 |
19 | 787371190162292736000 |
20 | 31494847606491709440000 |
21 | 29395191099392262144000 |
[1,2,8,16,128,1280,3072,215040,3440640,2293760, 137625600,201850880,72666316800,1889324236800, 52901078630400,176336928768000,135426761293824, 191854578499584000,1593868805996544000, 787371190162292736000,31494847606491709440000, 29395191099392262144000] |