Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 22 |
3 | 122 |
4 | 333 |
5 | 1333 |
6 | 4444 |
7 | 14444 |
8 | 22333 |
9 | 55555 |
10 | 122333 |
11 | 155555 |
12 | 224444 |
13 | 666666 |
14 | 1224444 |
15 | 1666666 |
16 | 2255555 |
17 | 3334444 |
18 | 7777777 |
19 | 12255555 |
20 | 13334444 |
21 | 17777777 |
22 | 22666666 |
23 | 33355555 |
24 | 88888888 |
25 | 122666666 |
26 | 133355555 |
27 | 188888888 |
28 | 223334444 |
29 | 227777777 |
30 | 333666666 |
31 | 999999999 |
[1,22,122,333,1333,4444,14444,22333,55555,122333, 155555,224444,666666,1224444,1666666,2255555, 3334444,7777777,12255555,13334444,17777777, 22666666,33355555,88888888,122666666,133355555, 188888888,223334444,227777777,333666666,999999999] |