n | a(n) |
---|---|
1 | 4 |
2 | 5 |
3 | 44 |
4 | 45 |
5 | 54 |
6 | 55 |
7 | 444 |
8 | 445 |
9 | 454 |
10 | 455 |
11 | 544 |
12 | 545 |
13 | 554 |
14 | 555 |
15 | 4444 |
16 | 4445 |
17 | 4454 |
18 | 4455 |
19 | 4544 |
20 | 4545 |
21 | 4554 |
22 | 4555 |
23 | 5444 |
24 | 5445 |
25 | 5454 |
26 | 5455 |
27 | 5544 |
28 | 5545 |
29 | 5554 |
30 | 5555 |
31 | 44444 |
32 | 44445 |
33 | 44454 |
34 | 44455 |
35 | 44544 |
36 | 44545 |
37 | 44554 |
38 | 44555 |
39 | 45444 |
40 | 45445 |
41 | 45454 |
42 | 45455 |
43 | 45544 |
[4,5,44,45,54,55,444,445,454,455,544,545,554,555, 4444,4445,4454,4455,4544,4545,4554,4555,5444,5445, 5454,5455,5544,5545,5554,5555,44444,44445,44454, 44455,44544,44545,44554,44555,45444,45445,45454, 45455,45544] |