n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 25 |
4 | 35 |
5 | 175 |
6 | 385 |
7 | 1225 |
8 | 1925 |
9 | 5005 |
10 | 13475 |
11 | 25025 |
12 | 85085 |
13 | 175175 |
14 | 425425 |
15 | 1616615 |
16 | 2977975 |
17 | 8083075 |
18 | 32757725 |
19 | 37182145 |
20 | 56581525 |
21 | 185910725 |
22 | 622396775 |
23 | 929553625 |
24 | 1301375075 |
25 | 4647768125 |
26 | 5391411025 |
27 | 14315125825 |
28 | 26957055125 |
29 | 37739877175 |
30 | 134785275625 |
[1,5,25,35,175,385,1225,1925,5005,13475,25025, 85085,175175,425425,1616615,2977975,8083075, 32757725,37182145,56581525,185910725,622396775, 929553625,1301375075,4647768125,5391411025, 14315125825,26957055125,37739877175,134785275625] |