n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 12 |
5 | 1 |
6 | 60 |
7 | 1 |
8 | 20160 |
9 | 60480 |
10 | 15120 |
11 | 1 |
12 | 39916800 |
13 | 1 |
14 | 8648640 |
15 | 1816214400 |
16 | 10461394944000 |
17 | 1 |
18 | 533531142144000 |
19 | 1 |
20 | 10137091700736000 |
21 | 1689515283456000 |
22 | 14079294028800 |
23 | 1 |
24 | 51704033477769953280000 |
25 | 129260083694424883200000 |
26 | 32382376266240000 |
[1,1,1,12,1,60,1,20160,60480,15120,1,39916800,1, 8648640,1816214400,10461394944000,1, 533531142144000,1,10137091700736000, 1689515283456000,14079294028800,1, 51704033477769953280000,129260083694424883200000, 32382376266240000] |