n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 24 |
3 | 180 |
4 | 2100 |
5 | 27720 |
6 | 480480 |
7 | 9189180 |
8 | 213393180 |
9 | 6246600360 |
10 | 194090796900 |
11 | 7220177644680 |
12 | 296829525392400 |
13 | 12778511068142820 |
14 | 601807021256821380 |
15 | 31974268694601553320 |
16 | 1890171191677022594340 |
17 | 115365621009252758344200 |
18 | 7741033169720860084895820 |
[1,4,24,180,2100,27720,480480,9189180,213393180, 6246600360,194090796900,7220177644680, 296829525392400,12778511068142820, 601807021256821380,31974268694601553320, 1890171191677022594340,115365621009252758344200, 7741033169720860084895820] |