n | a(n) |
---|---|
1 | 1 |
2 | 22 |
3 | 333 |
4 | 4444 |
5 | 55555 |
6 | 666666 |
7 | 7777777 |
8 | 88888888 |
9 | 999999999 |
10 | 1 |
11 | 11 |
12 | 122 |
13 | 1333 |
14 | 14444 |
15 | 155555 |
16 | 1666666 |
17 | 17777777 |
18 | 188888888 |
19 | 1999999999 |
20 | 22 |
21 | 221 |
22 | 2222 |
23 | 22333 |
24 | 224444 |
25 | 2255555 |
26 | 22666666 |
27 | 227777777 |
28 | 2288888888 |
29 | 22999999999 |
30 | 333 |
31 | 3331 |
[1,22,333,4444,55555,666666,7777777,88888888, 999999999,1,11,122,1333,14444,155555,1666666, 17777777,188888888,1999999999,22,221,2222,22333, 224444,2255555,22666666,227777777,2288888888, 22999999999,333,3331] |