n | a(n) |
---|---|
1 | 3 |
2 | 10 |
3 | 28 |
4 | 136 |
5 | 945 |
6 | 5265 |
7 | 29889 |
8 | 50625 |
9 | 203392 |
10 | 3290625 |
11 | 6082048 |
12 | 32536000 |
13 | 326481921 |
14 | 3274208001 |
15 | 6929459200 |
16 | 72523096065 |
17 | 37694578689 |
18 | 471672487936 |
19 | 11557226700801 |
20 | 54386217385984 |
21 | 50624737509376 |
22 | 275892612890625 |
23 | 4870020829413376 |
24 | 68091093855502336 |
25 | 2280241934368768 |
[3,10,28,136,945,5265,29889,50625,203392,3290625, 6082048,32536000,326481921,3274208001,6929459200, 72523096065,37694578689,471672487936, 11557226700801,54386217385984,50624737509376, 275892612890625,4870020829413376, 68091093855502336,2280241934368768] |