n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 30 |
3 | 225 |
4 | 2075 |
5 | 22500 |
6 | 276875 |
7 | 3790625 |
8 | 57050000 |
9 | 934984375 |
10 | 16549046875 |
11 | 314146406250 |
12 | 6358972578125 |
13 | 136603266015625 |
14 | 3101556258593750 |
15 | 74164388642578125 |
16 | 1861859526474609375 |
17 | 48936176077929687500 |
18 | 1343302192888037109375 |
19 | 38425435693841064453125 |
20 | 1143143051078878906250000 |
[1,5,30,225,2075,22500,276875,3790625,57050000, 934984375,16549046875,314146406250,6358972578125, 136603266015625,3101556258593750, 74164388642578125,1861859526474609375, 48936176077929687500,1343302192888037109375, 38425435693841064453125,1143143051078878906250000] |