n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 4 |
5 | 5 |
6 | 6 |
7 | 10 |
8 | 15 |
9 | 45 |
10 | 120 |
11 | 990 |
12 | 14190 |
13 | 489555 |
14 | 161226780 |
15 | 476106503180 |
16 | 19554673086218985 |
17 | 698490144518203427450060 |
18 | 17987097565293886931115539020016860 |
19 | 1246236391932004987381133823926620650891666994820 |
[1,2,3,4,5,6,10,15,45,120,990,14190,489555, 161226780,476106503180,19554673086218985, 698490144518203427450060, 17987097565293886931115539020016860, 1246236391932004987381133823926620650891666994820] |