n | a(n) |
---|---|
1 | 25 |
2 | 139 |
3 | 568 |
4 | 1964 |
5 | 6412 |
6 | 19711 |
7 | 56427 |
8 | 150258 |
9 | 375826 |
10 | 893100 |
11 | 2024828 |
12 | 4391269 |
13 | 9165068 |
14 | 18490081 |
15 | 36156100 |
16 | 68675984 |
17 | 126997620 |
18 | 229017852 |
19 | 403366974 |
20 | 695484750 |
21 | 1176286197 |
22 | 1955039200 |
23 | 3196887389 |
24 | 5147543575 |
25 | 8168623537 |
[25,139,568,1964,6412,19711,56427,150258,375826, 893100,2024828,4391269,9165068,18490081,36156100, 68675984,126997620,229017852,403366974,695484750, 1176286197,1955039200,3196887389,5147543575, 8168623537] |