n | a(n) |
---|---|
10 | 1 |
11 | 550 |
12 | 69025 |
13 | 4254250 |
14 | 201371170 |
15 | 7180042870 |
16 | 196518086050 |
17 | 4766802769300 |
18 | 102889172957285 |
19 | 2006511403380770 |
20 | 36104901766271975 |
21 | 597121503366547250 |
22 | 9381072363234242330 |
23 | 140940747710164417070 |
24 | 2033219852450765548790 |
25 | 28025263737301449789500 |
[1,550,69025,4254250,201371170,7180042870, 196518086050,4766802769300,102889172957285, 2006511403380770,36104901766271975, 597121503366547250,9381072363234242330, 140940747710164417070,2033219852450765548790, 28025263737301449789500] |