n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 4 |
5 | 5 |
6 | 6 |
7 | 7 |
8 | 8 |
9 | 9 |
10 | 79 |
11 | 799 |
12 | 9599 |
13 | 9887 |
14 | 98999 |
15 | 599999 |
16 | 689999 |
17 | 698999 |
18 | 699899 |
19 | 779999 |
20 | 788999 |
21 | 789899 |
22 | 797999 |
23 | 798899 |
24 | 799799 |
25 | 869999 |
26 | 878999 |
27 | 879899 |
28 | 887999 |
29 | 888899 |
30 | 889799 |
31 | 896999 |
32 | 897899 |
33 | 898799 |
34 | 899699 |
35 | 959999 |
36 | 968999 |
37 | 969899 |
38 | 977999 |
39 | 978899 |
40 | 979799 |
41 | 986999 |
42 | 987899 |
43 | 988799 |
44 | 989699 |
45 | 995999 |
46 | 996899 |
47 | 997799 |
48 | 998699 |
49 | 999599 |
[1,2,3,4,5,6,7,8,9,79,799,9599,9887,98999,599999, 689999,698999,699899,779999,788999,789899,797999, 798899,799799,869999,878999,879899,887999,888899, 889799,896999,897899,898799,899699,959999,968999, 969899,977999,978899,979799,986999,987899,988799, 989699,995999,996899,997799,998699,999599] |