n | a(n) |
---|---|
1 | 0 |
2 | 10 |
3 | 50 |
4 | 250 |
5 | 1250 |
6 | 6250 |
7 | 31250 |
8 | 156250 |
9 | 781250 |
10 | 3906250 |
11 | 19531250 |
12 | 97656250 |
13 | 488281250 |
14 | 2441406250 |
15 | 12207031250 |
16 | 61035156250 |
17 | 305175781250 |
18 | 1525878906250 |
19 | 7629394531250 |
20 | 38146972656250 |
21 | 190734863281250 |
[0,10,50,250,1250,6250,31250,156250,781250, 3906250,19531250,97656250,488281250,2441406250, 12207031250,61035156250,305175781250, 1525878906250,7629394531250,38146972656250, 190734863281250] |