n | a(n) |
---|---|
0 | 1 |
1 | 12 |
2 | 240 |
3 | 1344 |
4 | 3840 |
5 | 33792 |
6 | 5591040 |
7 | 49152 |
8 | 16711680 |
9 | 104595456 |
10 | 173015040 |
11 | 289406976 |
12 | 22900899840 |
13 | 201326592 |
14 | 116769423360 |
15 | 7689065201664 |
16 | 1095216660480 |
17 | 51539607552 |
18 | 65942866278481920 |
19 | 824633720832 |
20 | 7438196161904640 |
21 | 3971435999526912 |
[1,12,240,1344,3840,33792,5591040,49152,16711680, 104595456,173015040,289406976,22900899840, 201326592,116769423360,7689065201664, 1095216660480,51539607552,65942866278481920, 824633720832,7438196161904640,3971435999526912] |