n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 5 |
5 | 5 |
6 | 210 |
7 | 210 |
8 | 850 |
9 | 7735 |
10 | 806806 |
11 | 806806 |
12 | 3229590 |
13 | 3229590 |
14 | 161479500 |
15 | 1455090000 |
16 | 23286770000 |
17 | 23286770000 |
18 | 838446909300 |
19 | 838446909300 |
20 | 83973923013750 |
21 | 83973923013750 |
22 | 10244818607677500 |
23 | 10244818607677500 |
[1,1,1,5,5,210,210,850,7735,806806,806806,3229590, 3229590,161479500,1455090000,23286770000, 23286770000,838446909300,838446909300, 83973923013750,83973923013750,10244818607677500, 10244818607677500] |