n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 7 |
4 | 9 |
5 | 21 |
6 | 27 |
7 | 57 |
8 | 81 |
9 | 111 |
10 | 189 |
11 | 243 |
12 | 333 |
13 | 441 |
14 | 729 |
15 | 777 |
16 | 999 |
17 | 1161 |
18 | 1701 |
19 | 2109 |
20 | 2187 |
21 | 2529 |
22 | 2709 |
23 | 2763 |
24 | 2793 |
25 | 2997 |
[1,3,7,9,21,27,57,81,111,189,243,333,441,729,777, 999,1161,1701,2109,2187,2529,2709,2763,2793,2997] |