n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 20 |
3 | 325 |
4 | 5000 |
5 | 75625 |
6 | 1137500 |
7 | 17078125 |
8 | 256250000 |
9 | 3844140625 |
10 | 57664062500 |
11 | 864970703125 |
12 | 12974609375000 |
13 | 194619384765625 |
14 | 2919291992187500 |
15 | 43789385986328125 |
16 | 656840820312500000 |
17 | 9852612457275390625 |
18 | 147789187622070312500 |
19 | 2216837818145751953125 |
20 | 33252567291259765625000 |
[0,1,20,325,5000,75625,1137500,17078125,256250000, 3844140625,57664062500,864970703125, 12974609375000,194619384765625,2919291992187500, 43789385986328125,656840820312500000, 9852612457275390625,147789187622070312500, 2216837818145751953125,33252567291259765625000] |