n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 119 |
6 | 702 |
7 | 4795 |
8 | 37183 |
9 | 322486 |
10 | 3091630 |
11 | 32453172 |
12 | 370104159 |
13 | 4555518746 |
14 | 60182704891 |
15 | 849245520581 |
16 | 12746759647944 |
17 | 202753756944382 |
18 | 3406596290534764 |
19 | 60282041591986049 |
20 | 1120554350714688128 |
[1,2,6,24,119,702,4795,37183,322486,3091630, 32453172,370104159,4555518746,60182704891, 849245520581,12746759647944,202753756944382, 3406596290534764,60282041591986049, 1120554350714688128] |