n | a(n) |
---|---|
0 | -10 |
1 | -11 |
2 | -9 |
3 | 91 |
4 | 101 |
5 | 9091 |
6 | 111 |
7 | 909091 |
8 | 10001 |
9 | 999001 |
10 | 11111 |
11 | 9090909091 |
12 | 9901 |
13 | 909090909091 |
14 | 1111111 |
15 | 109889011 |
16 | 100000001 |
17 | 9090909090909091 |
18 | 1001001 |
19 | 909090909090909091 |
20 | 99009901 |
21 | 1098900989011 |
22 | 11111111111 |
[-10,-11,-9,91,101,9091,111,909091,10001,999001, 11111,9090909091,9901,909090909091,1111111, 109889011,100000001,9090909090909091,1001001, 909090909090909091,99009901,1098900989011, 11111111111] |