n | a(n) |
---|---|
0 | 3 |
1 | 939 |
2 | 99399 |
3 | 9993999 |
4 | 999939999 |
5 | 99999399999 |
6 | 9999993999999 |
7 | 999999939999999 |
8 | 99999999399999999 |
9 | 9999999993999999999 |
10 | 999999999939999999999 |
11 | 99999999999399999999999 |
12 | 9999999999993999999999999 |
13 | 999999999999939999999999999 |
14 | 99999999999999399999999999999 |
15 | 9999999999999993999999999999999 |
[3,939,99399,9993999,999939999,99999399999, 9999993999999,999999939999999,99999999399999999, 9999999993999999999,999999999939999999999, 99999999999399999999999,9999999999993999999999999, 999999999999939999999999999, 99999999999999399999999999999, 9999999999999993999999999999999] |