n | a(n) |
---|---|
1 | 337 |
2 | 737 |
3 | 7373 |
4 | 73333 |
5 | 73733 |
6 | 333377 |
7 | 333733 |
8 | 737333 |
9 | 737773 |
10 | 777337 |
11 | 777737 |
12 | 3333373 |
13 | 3333773 |
14 | 3373337 |
15 | 3373777 |
16 | 3777377 |
17 | 3777733 |
18 | 7337737 |
19 | 7373333 |
20 | 7373773 |
21 | 7733377 |
22 | 7733777 |
23 | 7777373 |
24 | 33337333 |
25 | 33337733 |
26 | 33377737 |
27 | 33733373 |
[337,737,7373,73333,73733,333377,333733,737333, 737773,777337,777737,3333373,3333773,3373337, 3373777,3777377,3777733,7337737,7373333,7373773, 7733377,7733777,7777373,33337333,33337733, 33377737,33733373] |