n | a(n) |
---|---|
0 | 1 |
1 | 9 |
2 | 65 |
3 | 425 |
4 | 2625 |
5 | 15625 |
6 | 90625 |
7 | 515625 |
8 | 2890625 |
9 | 16015625 |
10 | 87890625 |
11 | 478515625 |
12 | 2587890625 |
13 | 13916015625 |
14 | 74462890625 |
15 | 396728515625 |
16 | 2105712890625 |
17 | 11138916015625 |
18 | 58746337890625 |
19 | 308990478515625 |
20 | 1621246337890625 |
[1,9,65,425,2625,15625,90625,515625,2890625, 16015625,87890625,478515625,2587890625, 13916015625,74462890625,396728515625, 2105712890625,11138916015625,58746337890625, 308990478515625,1621246337890625] |