n | a(n) |
---|---|
1 | 1 |
2 | 11 |
3 | 111 |
4 | 101 |
5 | 11111 |
6 | 91 |
7 | 1111111 |
8 | 10001 |
9 | 333667 |
10 | 9091 |
11 | 11111111111 |
12 | 9901 |
13 | 1111111111111 |
14 | 909091 |
15 | 90090991 |
16 | 100000001 |
17 | 11111111111111111 |
18 | 999001 |
19 | 1111111111111111111 |
20 | 99009901 |
21 | 900900990991 |
22 | 826446281 |
23 | 11111111111111111111111 |
24 | 99990001 |
25 | 100001000010000100001 |
[1,11,111,101,11111,91,1111111,10001,333667,9091, 11111111111,9901,1111111111111,909091,90090991, 100000001,11111111111111111,999001, 1111111111111111111,99009901,900900990991, 826446281,11111111111111111111111,99990001, 100001000010000100001] |