n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 58 |
3 | 396 |
4 | 2595 |
5 | 16500 |
6 | 102500 |
7 | 625000 |
8 | 3753125 |
9 | 22250000 |
10 | 130468750 |
11 | 757812500 |
12 | 4365234375 |
13 | 24960937500 |
14 | 141796875000 |
15 | 800781250000 |
16 | 4498291015625 |
17 | 25146484375000 |
18 | 139953613281250 |
19 | 775756835937500 |
[1,8,58,396,2595,16500,102500,625000,3753125, 22250000,130468750,757812500,4365234375, 24960937500,141796875000,800781250000, 4498291015625,25146484375000,139953613281250, 775756835937500] |