n | a(n) |
---|---|
1 | 22 |
2 | 15 |
3 | 26 |
4 | 18 |
5 | 28 |
6 | 39 |
7 | 68 |
8 | 69 |
9 | 88 |
10 | 99 |
11 | 299 |
12 | 399 |
13 | 589 |
14 | 699 |
15 | 799 |
16 | 899 |
17 | 999 |
18 | 2899 |
19 | 3999 |
20 | 5999 |
21 | 6999 |
22 | 7999 |
23 | 9899 |
24 | 9999 |
25 | 29999 |
26 | 39999 |
27 | 58999 |
28 | 69999 |
29 | 89999 |
30 | 99999 |
31 | 299899 |
32 | 399999 |
33 | 499999 |
34 | 689999 |
35 | 699999 |
36 | 889999 |
37 | 999999 |
38 | 1999999 |
39 | 3899999 |
40 | 3999999 |
[22,15,26,18,28,39,68,69,88,99,299,399,589,699, 799,899,999,2899,3999,5999,6999,7999,9899,9999, 29999,39999,58999,69999,89999,99999,299899,399999, 499999,689999,699999,889999,999999,1999999, 3899999,3999999] |