n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 25 |
3 | 125 |
4 | 621 |
5 | 3065 |
6 | 15051 |
7 | 73645 |
8 | 359485 |
9 | 1752125 |
10 | 8532591 |
11 | 41537105 |
12 | 202200415 |
13 | 984526275 |
14 | 4795673085 |
15 | 23372376525 |
16 | 113978687085 |
17 | 556205251325 |
18 | 2716129289775 |
19 | 13273197773125 |
20 | 64909884686595 |
21 | 317652752793975 |
22 | 1555587408645225 |
23 | 7623031579626625 |
[1,5,25,125,621,3065,15051,73645,359485,1752125, 8532591,41537105,202200415,984526275,4795673085, 23372376525,113978687085,556205251325, 2716129289775,13273197773125,64909884686595, 317652752793975,1555587408645225,7623031579626625] |