n | a(n) |
---|---|
1 | 79 |
2 | 97 |
3 | 77997979 |
4 | 79779979 |
5 | 79797997 |
6 | 79997977 |
7 | 99977797 |
8 | 99979777 |
9 | 7777997999 |
10 | 7779799799 |
11 | 7779799997 |
12 | 7779979979 |
13 | 7797799979 |
14 | 7797979799 |
15 | 7799797799 |
16 | 7977799799 |
17 | 7979799977 |
18 | 7979979779 |
19 | 7979979797 |
20 | 7979979977 |
21 | 7979997797 |
22 | 7997799977 |
23 | 7997979779 |
24 | 7997997977 |
[79,97,77997979,79779979,79797997,79997977, 99977797,99979777,7777997999,7779799799, 7779799997,7779979979,7797799979,7797979799, 7799797799,7977799799,7979799977,7979979779, 7979979797,7979979977,7979997797,7997799977, 7997979779,7997997977] |