n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 11 |
4 | 27 |
5 | 77 |
6 | 111 |
7 | 127 |
8 | 177 |
9 | 777 |
10 | 1127 |
11 | 1177 |
12 | 1777 |
13 | 7777 |
14 | 11777 |
15 | 27777 |
16 | 77777 |
17 | 111777 |
18 | 127777 |
19 | 177777 |
20 | 777777 |
21 | 1127777 |
22 | 1177777 |
23 | 1777777 |
24 | 7777777 |
25 | 11777777 |
26 | 27777777 |
27 | 77777777 |
28 | 111777777 |
29 | 127777777 |
30 | 177777777 |
31 | 777777777 |
32 | 1127777777 |
33 | 1177777777 |
34 | 1777777777 |
[1,7,11,27,77,111,127,177,777,1127,1177,1777,7777, 11777,27777,77777,111777,127777,177777,777777, 1127777,1177777,1777777,7777777,11777777,27777777, 77777777,111777777,127777777,177777777,777777777, 1127777777,1177777777,1777777777] |