n | a(n) |
---|---|
1 | 5 |
2 | 25 |
3 | 125 |
4 | 615 |
5 | 2995 |
6 | 14465 |
7 | 69405 |
8 | 331255 |
9 | 1574195 |
10 | 7454385 |
11 | 35195485 |
12 | 165766535 |
13 | 779138355 |
14 | 3655796065 |
15 | 17128371485 |
16 | 80151962775 |
17 | 374677320115 |
18 | 1749902587025 |
19 | 8166591981405 |
20 | 38087874378535 |
21 | 177538468225715 |
22 | 827166275107905 |
[5,25,125,615,2995,14465,69405,331255,1574195, 7454385,35195485,165766535,779138355,3655796065, 17128371485,80151962775,374677320115, 1749902587025,8166591981405,38087874378535, 177538468225715,827166275107905] |