n | a(n) |
---|---|
1 | 7 |
2 | 88 |
3 | 888 |
4 | 7588 |
5 | 9878 |
6 | 75888 |
7 | 885888 |
8 | 989878 |
9 | 7479878 |
10 | 7589457 |
11 | 7745957 |
12 | 9775457 |
13 | 97748957 |
14 | 744888978 |
15 | 757944588 |
16 | 945985457 |
17 | 7475598878 |
18 | 9948757588 |
19 | 88757455957 |
20 | 99977995478 |
21 | 747595978788 |
22 | 947878988978 |
23 | 948445875888 |
24 | 994477479878 |
25 | 997494589457 |
26 | 7588797959878 |
27 | 8875584485457 |
28 | 9475747457588 |
29 | 9478895478788 |
30 | 9745484895478 |
[7,88,888,7588,9878,75888,885888,989878,7479878, 7589457,7745957,9775457,97748957,744888978, 757944588,945985457,7475598878,9948757588, 88757455957,99977995478,747595978788,947878988978, 948445875888,994477479878,997494589457, 7588797959878,8875584485457,9475747457588, 9478895478788,9745484895478] |