n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 3 |
4 | 4 |
5 | 9 |
6 | 21 |
7 | 42 |
8 | 99 |
9 | 154 |
10 | 237 |
11 | 405 |
12 | 999 |
13 | 9999 |
14 | 18991 |
15 | 19291 |
16 | 22021 |
17 | 23587 |
18 | 40293 |
19 | 45072 |
20 | 99999 |
21 | 137652 |
22 | 999999 |
23 | 1278343 |
24 | 1360456 |
25 | 3162199 |
26 | 3162499 |
27 | 4029705 |
28 | 4365396 |
29 | 4418236 |
30 | 6052891 |
31 | 9999999 |
32 | 31496589 |
33 | 40289205 |
34 | 41276535 |
35 | 44295036 |
36 | 56353251 |
37 | 99999999 |
[0,1,3,4,9,21,42,99,154,237,405,999,9999,18991, 19291,22021,23587,40293,45072,99999,137652,999999, 1278343,1360456,3162199,3162499,4029705,4365396, 4418236,6052891,9999999,31496589,40289205, 41276535,44295036,56353251,99999999] |